Init

.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/Solutions.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.venv" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/inspectionProfiles/Project_Default.xml

@@ -0,0 +1,13 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="PyPep8Inspection" enabled="true" level="WEAK WARNING" enabled_by_default="true">
+      <option name="ignoredErrors">
+        <list>
+          <option value="E302" />
+          <option value="E111" />
+        </list>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>

.idea/inspectionProfiles/profiles_settings.xml

@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

.idea/misc.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Black">
+    <option name="sdkName" value="Python 3.12 (Solutions)" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.12 (Solutions)" project-jdk-type="Python SDK" />
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/Solutions.iml" filepath="$PROJECT_DIR$/.idea/Solutions.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

00_Reeborg/lessons/Endlos.py

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+while front_is_clear():
+    move()
+    turn_left()
+    turn_left()
+    
+    
+################################################################
+# WARNING: Do not change this comment.
+# Library Code is below.
+################################################################
+def turn_around():
+    turn_left()
+    turn_left()

00_Reeborg/lessons/Erdbeerpflücker.py

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+def take_if_there():
+    if object_here():
+        take()
+
+
+for _ in range(9):
+    take_if_there()
+    move()
+take_if_there()

00_Reeborg/lessons/Erdbeerzeile.py

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+for i in range(10):
+    put()
+    move()
+put()
+
+################################################################
+# WARNING: Do not change this comment.
+# Library Code is below.
+################################################################
+def turn_right():
+    turn_left()
+    turn_left()
+    turn_left()

00_Reeborg/lessons/Good Morning.py

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+def turn_right():
+    turn_left()
+    turn_left()
+    turn_left()
+
+move()
+move()
+turn_left()
+move()
+move()
+turn_right()
+move()
+take()
+turn_left()
+turn_left()
+move()
+move()
+turn_left()
+move()
+put()
+################################################################
+# WARNING: Do not change this comment.
+# Library Code is below.
+################################################################

00_Reeborg/lessons/Laufen.py

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+move()
+move()
+take()
+turn_left()
+move()
+turn_left()
+turn_left()
+turn_left()
+move()
+move()
+put()
+################################################################
+# WARNING: Do not change this comment.
+# Library Code is below.
+################################################################

00_Reeborg/lessons/Robin Hood (fehlerhaft).py

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+def do_robin():
+    if object_here():
+        take()
+    if not object_here():
+        put()
+
+while front_is_clear():
+    do_robin()
+    move()
+do_robin()
+    
+    
+################################################################
+# WARNING: Do not change this comment.
+# Library Code is below.
+################################################################
+def turn_around():
+    turn_left()
+    turn_left()

00_Reeborg/lessons/Robin Hood.py

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+def do_robin():
+    if object_here():
+        take()
+    else:
+        put()
+
+while front_is_clear():
+    do_robin()
+    move()
+do_robin()
+    
+    
+################################################################
+# WARNING: Do not change this comment.
+# Library Code is below.
+################################################################
+def turn_around():
+    turn_left()
+    turn_left()

00_Reeborg/lessons/Wand.py

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+while front_is_clear():
+    move()
+    
+################################################################
+# WARNING: Do not change this comment.
+# Library Code is below.
+################################################################
+def turn_around():
+    turn_left()
+    turn_left()

00_Reeborg/projects/adventure.py

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+from library import turn_right
+        
+while wall_on_right():
+    move()
+turn_left()
+turn_left()
+move()
+################################################################
+# WARNING: Do not change this comment.
+# Library Code is below.
+################################################################
+def turn_right():
+    for _ in range(3):
+        turn_left()

00_Reeborg/projects/bob.py

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+def repair_stone():
+    if object_here():
+        pass
+    else:
+        put()
+
+def repair_pillar():
+    turn_left()
+    while front_is_clear():
+        repair_stone()
+        move()
+    repair_stone()
+    turn_left()
+    turn_left()
+    while front_is_clear():
+        move()
+    turn_left()
+    move()
+
+think(0)
+for _ in range(3):
+    move()
+    move()
+    repair_pillar()
+
+            

00_Reeborg/projects/donkey.py

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+def turn_around():
+    turn_left()
+    turn_left()
+    
+def turn_right():
+    turn_left()
+    turn_left()
+    turn_left()
+
+def collect_star():
+    if object_here():
+        take()
+     
+def collect_all_in_row():
+    while front_is_clear():
+        collect_star()
+        move()
+    collect_star()
+ 
+def move_up():
+    turn_around()
+    while wall_on_right():
+        move()
+    turn_right()
+    move()
+    turn_left()
+    while front_is_clear():
+        move()
+    turn_around()
+
+
+think(3)
+for _ in range(8):
+    collect_all_in_row()
+    move_up()
+collect_all_in_row()

00_Reeborg/projects/double_it.py

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+def turn_around():
+    turn_left()
+    turn_left()
+
+def turn_right():
+    turn_left()
+    turn_left()
+    turn_left()
+    
+def double_star():
+    take()
+    move()
+    put()
+    put()
+    turn_around()
+    move()
+    turn_around()
+
+def double_all_stars():
+    while object_here():
+        double_star()
+
+def move_star():
+    take()
+    move()
+    put()
+    turn_around()
+    move()
+    turn_around()
+
+def move_all_stars():
+    while object_here():
+        move_star()
+        
+
+move()
+double_all_stars()
+move()
+turn_around()
+move_all_stars()
+move()
+move()

00_Reeborg/projects/meter.py

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+def turn_around():
+    turn_left()
+    turn_left()
+
+def turn_right():
+    turn_left()
+    turn_left()
+    turn_left()
+    
+def set_stars():
+    move()
+    while wall_on_right():
+        put()
+        move()
+
+def move_to_start():
+    turn_right()
+    move()
+    turn_right()
+    while right_is_clear():
+     move()
+    while wall_on_right():
+        move()
+    turn_right()
+    move()
+    turn_right()
+    move()
+    
+def move_to_last_star():
+    while object_here():
+        move()
+    turn_around()
+    move()
+    turn_around()
+
+def move_to_end():
+    while front_is_clear():
+        move()
+    
+def count_stars():
+    move_to_start()
+    while object_here():
+        move_to_last_star()
+        if object_here():
+            take()
+            move_to_end()
+            put()
+            move_to_start()
+
+        
+set_stars()
+count_stars()
+

00_Reeborg/projects/party.py

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+from library import turn_around, turn_right, move_to_wall
+
+
+def clean_room():
+    turn_left()
+    while front_is_clear():
+        turn_right()
+        clean_row()
+        move_to_next_row()
+    turn_right()
+    clean_row()
+
+    
+def clean_row():
+    while front_is_clear():
+        clean_cell()
+        move()
+    clean_cell()
+    turn_around()
+    move_to_wall()
+    turn_around()
+
+
+def clean_cell():
+    if object_here():
+        take()
+        
+
+def move_to_next_row():
+    turn_left()
+    move()
+    
+think(30)    
+clean_room()
+    
+    
+################################################################
+# WARNING: Do not change this comment.
+# Library Code is below.
+################################################################
+def turn_right():
+    for _ in range(3):
+        turn_left()
+
+def turn_around():
+    turn_left()
+    turn_left()
+    
+def move_to_wall():
+    while front_is_clear():
+        move()

00_Reeborg/projects/pyramide.py

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+def turn_right():
+    turn_left()
+    turn_left()
+    turn_left()
+
+    
+def turn_around():
+    turn_left()
+    turn_left()
+    
+    
+def set_stone_above():
+    turn_left()
+    move()
+    put()
+    turn_right()
+    move()
+    turn_right()
+    move()
+    turn_left()
+    
+
+def build_first_row():
+    while front_is_clear():
+        put()
+        move()
+    put()
+    turn_around()
+    while front_is_clear():
+        move()
+    turn_around()
+
+    
+def build_second_row():
+    move()
+    while front_is_clear():
+        set_stone_above()
+    turn_left()
+    move()
+    turn_left()
+    move()
+    while object_here():
+        move()
+    turn_around()
+    move()
+
+    
+def build_next_row():
+    move()
+    while object_here():
+        set_stone_above()
+    turn_left()
+    move()
+    turn_left()
+    move()
+    if object_here():
+        take()
+    move()
+    while object_here():
+        move()
+    turn_around()
+    move()
+
+    
+think(3)  
+set_trace_style("invisible")
+build_first_row()
+build_second_row()
+while object_here():
+    build_next_row()

00_Reeborg/projects/tulip.py

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+def plant_a_tulip():
+    move()
+    turn_left()
+    turn_left()
+    turn_left()
+    move()
+    put()
+    turn_left()
+    turn_left()
+    move()
+    turn_left()
+    turn_left()
+    turn_left()
+    move()
+    
+while front_is_clear():
+    plant_a_tulip()
+
+    

01_Turtle/lessons/01_simple_line.py

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+# Sophia läuft 100 Schritte nach vorne
+
+from turtle import Turtle
+
+sophia = Turtle()
+sophia.forward(100)
+
+sophia.screen.mainloop()
+
+

01_Turtle/lessons/02_dotted_line.py

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+# Sophia zeichnet eine gestrichelte Linie
+
+from turtle import Turtle
+
+sophia = Turtle()
+sophia.hideturtle()
+
+for _ in range(10):
+    sophia.penup()
+    sophia.forward(5)
+    sophia.pendown()
+    sophia.forward(5)
+
+sophia.screen.mainloop()

01_Turtle/lessons/03_colored_line.py

@@ -0,0 +1,22 @@
+# Sophia zeichnet eine farbige Linie
+
+from turtle import Turtle
+
+sophia = Turtle()
+
+sophia.pensize(5)
+
+sophia.pencolor('green')
+sophia.forward(30)
+sophia.pencolor('blue')
+sophia.forward(30)
+sophia.pencolor('red')
+sophia.forward(30)
+sophia.pencolor('white')
+sophia.forward(30)
+sophia.pencolor('black')
+sophia.forward(30)
+sophia.pencolor('#c72426')
+sophia.forward(30)
+
+sophia.screen.mainloop()

01_Turtle/lessons/04_RGB_color.py

@@ -0,0 +1,12 @@
+# Nutzung von RGP-Farben in Turtle-Grafiken
+
+from turtle import Turtle
+
+sophia = Turtle()
+
+sophia.pensize(50)
+sophia.screen.colormode(255) # RGB-Farben aktivieren
+sophia.pencolor(199, 36, 38)
+sophia.forward(50)
+
+sophia.screen.mainloop()

01_Turtle/lessons/05_square.py

@@ -0,0 +1,14 @@
+# Zeichnen eines Quadrats mit der Turtle
+from turtle import Turtle
+
+sophia = Turtle()
+
+# Sophia zeichnet ein Quadrat
+def draw_square():
+    for _ in range(4):
+        sophia.forward(100)
+        sophia.right(90)
+
+draw_square()
+
+sophia.screen.mainloop()

01_Turtle/lessons/06_sized_square.py

@@ -0,0 +1,14 @@
+# Zeichnen eines Quadrats variabler Größe mit der Turtle
+from turtle import Turtle
+
+sophia = Turtle()
+
+# Eine Turtle zeichnet ein Quadrat
+def draw_square(turtle, length):
+    for _ in range(4):
+        turtle.forward(length)
+        turtle.right(90)
+
+draw_square(sophia, 100)
+
+sophia.screen.mainloop()

01_Turtle/lessons/07_filled_square.py

@@ -0,0 +1,21 @@
+# Zeichnen eines gefüllten Quadrats mit der Turtle
+from turtle import Turtle
+
+# Eine Turtle zeichnet ein Quadrat
+def draw_square(turtle, length):
+    for _ in range(4):
+        turtle.forward(length)
+        turtle.right(90)
+
+# Eine Turtle zeichnet ein gefülltes Quadrat
+def draw_filled_square(turtle, length):
+    turtle.begin_fill()
+    draw_square(turtle, length)
+    turtle.end_fill()
+
+
+sophia = Turtle()
+sophia.fillcolor('red')
+draw_filled_square(sophia, 100)
+
+sophia.screen.mainloop()

01_Turtle/lessons/07_filled_square_methods.py

@@ -0,0 +1,23 @@
+# Eine Turtle erhält eine Methode zum Zeichnen eines gefüllten Quadrats
+from turtle import Turtle
+
+
+# Eine Turtle zeichnet ein Quadrat
+def draw_square(turtle, length):
+    for _ in range(4):
+        turtle.forward(length)
+        turtle.right(90)
+
+#
+def draw_filled_square(turtle, length):
+    turtle.begin_fill()
+    draw_square(turtle, length)
+    turtle.end_fill()
+
+# Eintragen der Methode draw_filled_square
+Turtle.draw_filled_square = draw_filled_square
+sophia = Turtle()
+sophia.fillcolor('red')
+sophia.draw_filled_square(100)
+
+sophia.screen.mainloop()

01_Turtle/lessons/08_hello_world.py

@@ -0,0 +1,7 @@
+from turtle import Turtle
+
+sophia = Turtle()
+
+sophia.write('Hello, World!', align='center', font=('Arial', 24, 'bold'))
+
+sophia.screen.mainloop()

01_Turtle/lessons/09_h_letter.py

@@ -0,0 +1,18 @@
+from turtle import Turtle
+
+sophia = Turtle()
+
+def draw_h(turtle):
+    turtle.left(90)
+    turtle.forward(100)
+    turtle.backward(50)
+    turtle.right(90)
+    turtle.forward(50)
+    turtle.left(90)
+    turtle.forward(50)
+    turtle.backward(100)
+    turtle.right(90)
+
+draw_h(sophia)
+
+sophia.screen.mainloop()

01_Turtle/projects/ampel.py

@@ -0,0 +1,48 @@
+# Zeichnen einer Ampel
+
+from turtle import Turtle
+
+def draw_rectangle(turtle, width, height):
+    for _ in range(2):
+        turtle.forward(width)
+        turtle.left(90)
+        turtle.forward(height)
+        turtle.left(90)
+
+def draw_case(turtle):
+    turtle.pencolor('black')
+    turtle.fillcolor('black')
+    turtle.pendown()
+    turtle.begin_fill()
+    draw_rectangle(turtle, 70, 190)
+    turtle.end_fill()
+    turtle.penup()
+
+def draw_light(turtle, color):
+    turtle.pencolor(color)
+    turtle.fillcolor(color)
+    turtle.pendown()
+    turtle.begin_fill()
+    turtle.right(90)
+    turtle.circle(25)
+    turtle.end_fill()
+    turtle.penup()
+    turtle.left(90)
+
+def draw_traffic_light(turtle):
+    draw_case(turtle)
+    turtle.forward(35)
+    turtle.left(90)
+    turtle.forward(10)
+    draw_light(turtle, 'green')
+    turtle.forward(60)
+    draw_light(turtle, 'yellow')
+    turtle.forward(60)
+    draw_light(turtle, 'red')
+
+
+
+zoe = Turtle()
+draw_traffic_light(zoe)
+zoe.hideturtle()
+zoe.screen.mainloop()

01_Turtle/projects/flags.py

@@ -0,0 +1,41 @@
+# Zeichnen von Flaggen mit der Turtle
+from turtle import Turtle
+
+def draw_flag(turtle, color1, color2, color3):
+    turtle.pencolor('black')
+    turtle.pendown()
+    draw_rectangle(turtle, 600, 300)
+    turtle.penup()
+    draw_segment(turtle, color1)
+    draw_segment(turtle, color2)
+    draw_segment(turtle, color3)
+
+def draw_segment(turtle, color):
+    turtle.fillcolor(color)
+    draw_filled_rectangle(turtle, 200, 300)
+    turtle.forward(200)
+
+
+def draw_filled_rectangle(turtle, width, height):
+    turtle.begin_fill()
+    draw_rectangle(turtle, width, height)
+    turtle.end_fill()
+
+def draw_rectangle(turtle, width, height):
+    for _ in range(2):
+        turtle.forward(width)
+        turtle.left(90)
+        turtle.forward(height)
+        turtle.left(90)
+
+
+Turtle.draw_flag = draw_flag
+sophia = Turtle()
+sophia.draw_flag('green', 'white', 'red')
+sophia.backward(600)
+sophia.right(90)
+sophia.forward(400)
+sophia.left(90)
+sophia.draw_flag('blue', 'white', 'red')
+sophia.hideturtle()
+sophia.screen.mainloop()

01_Turtle/projects/germany.py

@@ -0,0 +1,36 @@
+# Zeichnen der Flagge Deutschlands mit der Turtle
+
+from turtle import *
+
+def draw_rectangle(width, height):
+    begin_fill()
+    forward(width)
+    right(90)
+    forward(height)
+    right(90)
+    forward(width)
+    right(90)
+    forward(height)
+    right(90)
+    end_fill()
+
+def next_shape():
+    penup()
+    right(90)
+    forward(50)
+    left(90)
+    pendown()
+
+pencolor('Black')
+fillcolor('Black')
+draw_rectangle(200, 50)
+next_shape()
+pencolor('Red')
+fillcolor('Red')
+draw_rectangle(200,50)
+next_shape()
+pencolor('Yellow')
+fillcolor('Yellow')
+draw_rectangle(200,50)
+
+done()

01_Turtle/projects/heart.py

@@ -0,0 +1,22 @@
+# Zeichnen
+from turtle import Turtle
+
+def draw_heart(turtle):
+    turtle.left(40)
+    turtle.forward(178)
+    turtle.circle(90,200)
+    turtle.right(120)
+    turtle.circle(90,200)
+    turtle.forward(178)
+
+
+sophia = Turtle()
+sophia.screen.bgcolor('Black')
+sophia.pencolor('Red')
+sophia.fillcolor('Red')
+sophia.begin_fill()
+draw_heart(sophia)
+sophia.end_fill()
+
+sophia.hideturtle()
+sophia.screen.mainloop()

01_Turtle/projects/hello.py

@@ -0,0 +1,66 @@
+# Zeichnen des Wortes "Hello" mit der Turtle
+
+from turtle import Turtle
+
+def space(turtle):
+    turtle.penup()
+    turtle.forward(30)
+    turtle.pendown()
+
+def draw_h(turtle):
+    turtle.left(90)
+    turtle.forward(100)
+    turtle.backward(50)
+    turtle.right(90)
+    turtle.forward(50)
+    turtle.left(90)
+    turtle.forward(50)
+    turtle.backward(100)
+    turtle.right(90)
+
+def draw_e(turtle):
+    turtle.left(90)
+    turtle.forward(100)
+    turtle.right(90)
+    turtle.forward(50)
+    turtle.backward(50)
+    turtle.right(90)
+    turtle.forward(50)
+    turtle.left(90)
+    turtle.forward(30)
+    turtle.backward(30)
+    turtle.right(90)
+    turtle.forward(50)
+    turtle.left(90)
+    turtle.forward(50)
+
+def draw_l(turtle):
+    turtle.left(90)
+    turtle.forward(100)
+    turtle.backward(100)
+    turtle.right(90)
+    turtle.forward(50)
+
+def draw_o(turtle):
+    turtle.penup()
+    turtle.forward(40)
+    turtle.pendown()
+    turtle.circle(50)
+    turtle.penup()
+    turtle.forward(40)
+    turtle.pendown()
+
+sophia = Turtle()
+sophia.speed(0)
+draw_h(sophia)
+space(sophia)
+draw_e(sophia)
+space(sophia)
+draw_l(sophia)
+space(sophia)
+draw_l(sophia)
+space(sophia)
+draw_o(sophia)
+
+
+sophia.screen.mainloop()

01_Turtle/projects/mandala.py

@@ -0,0 +1,20 @@
+# Zeichnet ein Mandala mit der Turtle-Grafik
+
+from turtle import Turtle
+
+sophia = Turtle()
+sophia.speed(0)
+
+for _ in range(36):
+    sophia.pencolor("Blue")
+    sophia.circle(100)
+    sophia.pencolor("Red")
+    sophia.forward(200)
+    sophia.left(120)
+    sophia.color("Orange")
+    sophia.forward(100)
+    sophia.left(70)
+    sophia.forward(15)
+
+sophia.screen.mainloop()
+

01_Turtle/projects/rotating_square.py

@@ -0,0 +1,15 @@
+from turtle import Turtle
+
+def draw_square(turtle, length):
+    for _ in range(4):
+        turtle.forward(length)
+        turtle.right(90)
+
+def draw_mandala(turtle, length):
+    for _ in range(18):
+        draw_square(turtle, length)
+        turtle.right(20)
+
+sophia = Turtle()
+draw_mandala(sophia, 100)
+sophia.screen.mainloop()

01_Turtle/projects/santas_house.py

@@ -0,0 +1,27 @@
+import math
+from turtle import Turtle
+
+def draw_santas_house(turtle, length):
+    turtle.left(90)
+    turtle.forward(length)
+    turtle.right(90)
+    turtle.forward(length)
+    turtle.right(90 + 45)
+    turtle.forward(1.4142 * length)
+    turtle.left(90 + 45)
+    turtle.forward(length)
+    turtle.left(90 + 45)
+    turtle.forward(1.4142 * length)
+    turtle.right(45 + 30)
+    turtle.forward(length)
+    turtle.right(120)
+    turtle.forward(length)
+    turtle.right(30)
+    turtle.forward(length)
+
+
+
+Turtle.draw_santas_house = draw_santas_house
+sophia = Turtle()
+sophia.draw_santas_house(200)
+sophia.screen.mainloop()

01_Turtle/projects/skyscraper.py

@@ -0,0 +1,50 @@
+from turtle import Turtle
+
+def draw_building(turtle):
+    turtle.fillcolor('black')
+    turtle.pencolor('black')
+    draw_filled_rectangle(turtle,100, 210)
+    turtle.left(90)
+    for _ in range(5):
+        draw_floor(turtle)
+
+def draw_floor(turtle):
+    turtle.penup()
+    turtle.forward(10)
+    turtle.right(90)
+    turtle.forward(10)
+    turtle.pendown()
+    for _ in range(3):
+        draw_window(turtle)
+        next_window(turtle)
+    turtle.penup()
+    turtle.backward(100)
+    turtle.left(90)
+    turtle.forward(30)
+
+def draw_window(turtle):
+    turtle.fillcolor('yellow')
+    turtle.pencolor('yellow')
+    draw_filled_rectangle(turtle, 20, 30)
+
+def next_window(turtle):
+    turtle.penup()
+    turtle.forward(30)
+    turtle.pendown()
+
+
+def draw_filled_rectangle(turtle, width, height):
+    turtle.begin_fill()
+    for _ in range(2):
+        turtle.forward(width)
+        turtle.left(90)
+        turtle.forward(height)
+        turtle.left(90)
+    turtle.end_fill()
+
+
+sophia = Turtle()
+sophia.screen.bgcolor('blue')
+draw_building(sophia)
+sophia.hideturtle()
+sophia.screen.mainloop()

01_Turtle/projects/torte.py

@@ -0,0 +1,31 @@
+from turtle import Turtle
+
+def draw_segment(turtle, degree, length):
+    turtle.pendown()
+    turtle.begin_fill()
+    turtle.circle(length, degree)
+    turtle.left(90)
+    turtle.forward(length)
+    turtle.right(degree)
+    turtle.backward(length)
+    turtle.end_fill()
+    turtle.penup()
+    turtle.forward(length)
+    turtle.left(degree)
+    turtle.backward(length)
+    turtle.right(90)
+
+
+Turtle.draw_segment = draw_segment
+sophia = Turtle()
+sophia.pencolor('red')
+sophia.fillcolor('red')
+sophia.draw_segment(240, 100)
+sophia.pencolor('blue')
+sophia.fillcolor('blue')
+sophia.draw_segment(90, 100)
+sophia.pencolor('green')
+sophia.fillcolor('green')
+sophia.draw_segment(30, 100)
+sophia.hideturtle()
+sophia.screen.mainloop()

01_Turtle/projects/yinyang.py

@@ -0,0 +1,70 @@
+from turtle import Turtle
+
+
+
+sophia = Turtle()
+zoe = Turtle()
+
+sophia.screen.bgcolor('grey')
+
+sophia.pencolor('black')
+sophia.fillcolor('black')
+zoe.pencolor('white')
+zoe.fillcolor('white')
+
+
+zoe.begin_fill()
+zoe.left(90)
+zoe.penup()
+zoe.forward(300)
+zoe.left(90)
+zoe.circle(150, 180)
+zoe.end_fill()
+
+sophia.begin_fill()
+sophia.circle(150, 180)
+sophia.penup()
+sophia.left(90)
+sophia.forward(300)
+sophia.left(90)
+sophia.end_fill()
+
+zoe.penup()
+zoe.left(90)
+zoe.forward(150)
+zoe.right(90)
+zoe.pendown()
+zoe.begin_fill()
+zoe.circle(75,180)
+zoe.left(90)
+zoe.forward(150)
+zoe.end_fill()
+
+sophia.pendown()
+sophia.begin_fill()
+sophia.left(90)
+sophia.forward(150)
+sophia.left(90)
+sophia.circle(75,180)
+sophia.end_fill()
+
+zoe.penup()
+zoe.forward(85)
+zoe.left(90)
+zoe.pendown()
+zoe.begin_fill()
+zoe.circle(10)
+zoe.end_fill()
+
+sophia.penup()
+sophia.left(90)
+sophia.forward(235)
+sophia.left(90)
+sophia.pendown()
+sophia.begin_fill()
+sophia.circle(10)
+sophia.end_fill()
+
+sophia.hideturtle()
+zoe.hideturtle()
+sophia.screen.mainloop()

01_Turtle/projects/zielscheibe.py

@@ -0,0 +1,26 @@
+from turtle import Turtle
+
+
+def draw_archery_target(turtle):
+    draw_circle(turtle, 30, 'red')
+    draw_circle(turtle, 20, 'white')
+    draw_circle(turtle, 10, 'red')
+
+
+def draw_circle(turtle, radius, color):
+    turtle.fillcolor(color)
+    turtle.pencolor(color)
+    turtle.begin_fill()
+    turtle.pendown()
+    turtle.circle(radius)
+    turtle.penup()
+    turtle.end_fill()
+    turtle.left(90)
+    turtle.forward(10)
+    turtle.right(90)
+
+
+sophia = Turtle()
+draw_archery_target(sophia)
+sophia.hideturtle()
+sophia.screen.mainloop()

02_Console/lessons/01_hello_world.py

@@ -0,0 +1,3 @@
+
+# This is a comment
+print('Hello World!')

02_Console/lessons/02_lines.py

@@ -0,0 +1,3 @@
+for _ in range(100):
+#    print('Ich darf Sophia nicht umdrehen.')
+    print('Ich darf Sophia nicht umdrehen.', end=' ')

02_Console/lessons/03_vars.py

@@ -0,0 +1,18 @@
+# Werte und Typen
+
+x = 17
+print(type(x))
+
+y = '17'
+print(type(y))
+
+z = 17.0
+print(type(z))
+
+
+# Eingabe mit Ignorierung der Rückgabe
+input('Gib Deinen Namen ein: ')
+
+# Eingabe mit Speicherung der Rückgabe
+user_name = input('Gib Deinen Namen ein: ')
+print('Hallo', user_name)

02_Console/lessons/04_type_conversion.py

@@ -0,0 +1,32 @@
+# Typen und ihre Konvertierung
+def typfehler():
+    p = '10'
+    for _ in range(p):
+        print('no way!')
+
+print(int("10"))
+#print(int("10.6"))
+#print(int("A"))
+print(int(10.0))
+print(int(10.3))
+print(int(10.7))
+
+print(str(10.7))
+
+print(float(10))
+print(float("10"))
+print(float("10.7"))
+#print(float("A"))
+
+#  Range erwartet Ganzzahlen
+p = '10'
+for _ in range(int(p)):
+    print('way!')
+
+# Ganzzahlige Division // vs Gleitkomma-Division /
+print(3 // 2)
+print(3 / 2)
+
+# Boolescher Typ
+t = True
+print(type(t))

02_Console/lessons/05_expressions.py

@@ -0,0 +1,29 @@
+# Thema: Ausdrücke
+
+# Ausführungsreihenfolge
+print(3 * 4 - 8 // 2)
+print(3 * (4 - 8) // 2)
+
+# Operatoren bei unterschiedlichen Typen
+print(4.0 + 2)
+print (4 * 2.0)
+print(4 / 2)
+
+# Formatierte Ausgabe
+print(f'Das Ergebnis ist {3+4}')
+
+s = 'Haus'
+z = 7
+print(f'{s:10} ist ein Gebäude')
+print(f'{z:010} ist eine Zahl')
+
+euro = 20 / 3
+print(f'Das kostet {euro:.2f} €.')
+
+
+# Mehrere Ausdrücke in einem f-String
+eingabe = 5
+print(f'Das Quadrat von {eingabe} ist {eingabe*eingabe:.2f}')
+
+
+print(f'{3+4} {3*4} {3-4} {3/4} {3//4} {3%4} {3**4}')

02_Console/lessons/06_average.py

@@ -0,0 +1,17 @@
+# Berechnen des Durchschnitts einer Liste von Zahlen
+
+sum = 0.0
+count = 0
+
+while True:
+    input_text = input("Geben Sie eine Zahl ein (0 bricht ab): ")
+    number = float(input_text)
+    if number == 0:
+        break
+    sum = sum + number
+    count = count + 1
+
+if count == 0:
+    print("Keine Zahlen eingegeben")
+else:
+    print(f"Der Durchschnitt ist {sum / count:.3f}")

02_Console/lessons/07_return.py

@@ -0,0 +1,11 @@
+# Funktion mit einer Rückgabe
+def mal_drei(x):
+    return x * 3
+
+print(mal_drei(5))
+
+
+# Jede Funktion in Python gibt einen Wert zurück.
+r = print("Hello World!")
+print(r)
+print(type(r))

02_Console/lessons/08_magic_numbers.py

@@ -0,0 +1,6 @@
+# Berechnung einer Kreisfläche
+
+PI = 3.14159
+radius = float(input("Bitte den Radius eingeben: "))
+area = PI * radius * radius
+print("Der Flächeninhalt beträgt", area)

02_Console/projects/big_money.py

@@ -0,0 +1,24 @@
+# Ausgabe von Geldbeträgen in einer speziellen Formatierung
+def main():
+    for money in [100123345, 100123305, 5]:
+        print(format_money_string(money))
+
+
+# Funktion zur Formatierung von Geldbeträgen
+def format_money_string(cents):
+    euros = cents // 100
+    cents = cents % 100
+    thousands = euros // 1000
+    euros = euros % 1000
+    millions = thousands // 1000
+    thousands = thousands % 1000
+    if millions > 0:
+        return f'{millions}.{thousands:03}.{euros:03},{cents:02}'
+    elif thousands > 0:
+        return f'{thousands}.{euros:03},{cents:02}'
+    else:
+        return f'{euros},{cents:02}'
+
+
+# Start des Programms
+main()

02_Console/projects/calculator.py

@@ -0,0 +1,9 @@
+# Rechenmaschine
+
+while True:
+    repeat = input("Soll noch eine Addition durchgeführt werden? (j/n): ")
+    if repeat == 'n':
+        break
+    zahl1 = float(input("Erste Zahl: "))
+    zahl2 = float(input("Zweite Zahl: "))
+    print(f"Die Summe beträgt {zahl1 + zahl2}")

02_Console/projects/countdown.py

@@ -0,0 +1,6 @@
+# Ausgabe eines Countdowns von 10 bis 0
+start = 10
+while start >= 0:
+    print(start)
+    start -= 1
+

02_Console/projects/even_numbers.py

@@ -0,0 +1,13 @@
+# Ermittlung, ob das Farbband gewechselt werden muss
+# (immer an geraden Tagen)
+
+# Eingabe
+day = int(input('Welchen Kalendartag haben wir heute (1-31): '))
+
+# Berechnung
+if day % 2 == 0:
+    print('Wechsel das Farbband!')
+else:
+    print('Alles gut!')
+
+

02_Console/projects/money.py

@@ -0,0 +1,15 @@
+# Ausgabe von Geldbeträgen in einer speziellen Formatierung
+def main():
+    for money in [120, 90, 100, 102, 2]:
+        print(format_money_string(money))
+
+
+# Funktion zur Formatierung von Geldbeträgen
+def format_money_string(money):
+    euros = money // 100
+    cents = money % 100
+    return f'{euros},{cents:02}'
+
+
+# Start des Programms
+main()

02_Console/projects/squares.py

@@ -0,0 +1,8 @@
+# Ausgabe von Quadratzahlen
+
+MAX_NUM = 10
+
+i = 0
+while i <= MAX_NUM:
+    print(f"{i} quadriert ist {i*i}")
+    i += 1

02_Console/projects/temperatur.py

@@ -0,0 +1,6 @@
+# Temperaturumrechnung
+
+f = float(input("Geben Sie die Temperatur in Fahrenheit ein: "))
+c = (f - 32) * 5 / 9
+
+print(f"Die Temperatur in Celsius beträgt {c:.1f}")

02_Console/projects/what_time.py

@@ -0,0 +1,9 @@
+# Berechnung der Uhrzeit für Menschen
+
+sec = int(input("Wie viele Sekunden sind seit Mitternacht vergangen? "))
+
+hours = sec // 3600
+minutes = (sec % 3600) // 60
+seconds = sec % 60
+
+print (f"Es ist {hours:02}:{minutes:02}:{seconds:02}.")

03_Games/assignments/analog_clock.py

@@ -0,0 +1,118 @@
+import pygame
+import math
+import datetime
+
+# Festlegung der Konstanten
+WIDTH = 320
+HEIGHT = 240
+SIZE = (WIDTH, HEIGHT)
+DISTANCE = 10
+CIRCLE_RADIUS = HEIGHT//2 - DISTANCE
+NUMBER_RADIUS = CIRCLE_RADIUS * 0.9
+HOURS_LENGTH = NUMBER_RADIUS * 0.6
+MINUTES_LENGTH = NUMBER_RADIUS * 0.8
+SECONDS_LENGTH = NUMBER_RADIUS * 0.9
+FONT_SIZE = 20
+FONT_NAME = None   # None = default font
+BLACK = (0, 0, 0)
+WHITE = (255, 255, 255)
+RED = (255, 0, 0)
+FPS = 1
+
+
+# Hauptfunktion mit Standardstruktur eines Pygame
+def main():
+    screen = init_game()
+    game_loop(screen)
+    exit_game()
+
+
+# Initialisierung von Pygame
+def init_game():
+    global clock
+    global font
+    pygame.init()
+    clock = pygame.time.Clock()
+    font = pygame.font.Font(FONT_NAME, FONT_SIZE)
+    return pygame.display.set_mode(SIZE)
+
+
+# Game-Loop
+def game_loop(screen):
+    while True:
+        if event_handling() == False:
+            break
+        if update_game() == False:
+            break
+        draw_game(screen)
+        clock.tick(FPS)
+
+
+# Beenden von Pygame
+def exit_game():
+    pygame.quit()
+
+
+# Event-Behandlung
+def event_handling():
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            return False
+    return True
+
+
+# Aktualisierung des Spiels
+def update_game():
+    global hours_angle
+    global minuten_angle
+    global seconds_angle
+    now = datetime.datetime.now()
+    hours = now.hour % 12
+    minutes = now.minute
+    seconds = now.second
+    hours_angle = (hours * 60 + minutes) / 720 * 2 * math.pi
+    minuten_angle = minutes / 60 * 2 * math.pi
+    seconds_angle = seconds / 60 * 2 * math.pi
+    return True
+
+
+# Zeichnen des Spiels
+def draw_game(screen):
+    screen.fill(BLACK)
+    position = (WIDTH//2, HEIGHT//2)
+    draw_dial(screen, position)
+    draw_hands(screen, position)
+    pygame.display.flip()
+
+
+# Zeichnen des Ziffernblatts
+def draw_dial(screen, position):
+    global font
+    # Rand
+    pygame.draw.circle(screen, WHITE, position, CIRCLE_RADIUS, 1)
+    # Ziffern
+    for i in range(12):
+        angle = i * (2 * math.pi) / 12
+        y = math.cos(angle) * NUMBER_RADIUS * -1
+        x = math.sin(angle) * NUMBER_RADIUS
+        text = font.render(str(i or 12), True, WHITE)
+        text_rect = text.get_rect(center=(WIDTH // 2 + x, HEIGHT // 2 + y))
+        screen.blit(text, text_rect)
+
+
+# Zeichnen der Zeiger
+def draw_hands(screen, position):
+    end_pos_hours = (position[0] + math.sin(hours_angle) * HOURS_LENGTH, position[1] + math.cos(hours_angle) * HOURS_LENGTH * -1)
+    pygame.draw.line(screen, WHITE, position, end_pos_hours, 4)
+
+    end_pos_minutes = (position[0] + math.sin(minuten_angle) * MINUTES_LENGTH, position[1] + math.cos(minuten_angle) * MINUTES_LENGTH * -1)
+    pygame.draw.line(screen, WHITE, position, end_pos_minutes, 2)
+
+    end_pos_seconds = (position[0] + math.sin(seconds_angle) * SECONDS_LENGTH, position[1] + math.cos(seconds_angle) * SECONDS_LENGTH * -1)
+    pygame.draw.line(screen, RED, position, end_pos_seconds, 1)
+
+
+# Start des Programms
+main()
+
+

03_Games/assignments/billard.py

@@ -0,0 +1,112 @@
+import pygame
+
+# Festlegung der Konstanten
+WIDTH = 320
+HEIGHT = 240
+SIZE = (WIDTH, HEIGHT)
+FPS = 30
+BLACK = (0, 0, 0)
+GREEN = (0, 255, 0)
+RED = (255, 0, 0)
+CIRCLE_RADIUS = 5
+MAX_SPEED = 30
+FRICTION = 0.97
+
+
+# Hauptfunktion mit Standardstruktur eines Pygame
+def main():
+    screen = init_game()
+    game_loop(screen)
+    exit_game()
+
+
+# Initialisierung von Pygame
+def init_game():
+    global position
+    global speed
+    global clock
+    global pushed
+    position = (WIDTH // 2, HEIGHT // 2)
+    speed = (0.0, 0.0)
+    clock = pygame.time.Clock()
+    pushed = False
+    pygame.init()
+    return pygame.display.set_mode(SIZE)
+
+
+# Game-Loop
+def game_loop(screen):
+    while True:
+        if event_handling() == False:
+            break
+        if update_game() == False:
+            break
+        draw_game(screen)
+        clock.tick(FPS)
+
+
+# Beenden von Pygame
+def exit_game():
+    pygame.quit()
+
+
+# Event-Behandlung
+def event_handling():
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            return False
+        if not pushed and event.type == pygame.MOUSEBUTTONUP:
+            button_pushed()
+    return True
+
+
+def button_pushed():
+    global speed, pushed
+    mouse_pos = pygame.mouse.get_pos()
+    delta_x = mouse_pos[0] - position[0]
+    delta_y = mouse_pos[1] - position[1]
+    speed = (MAX_SPEED * delta_x / WIDTH, MAX_SPEED * delta_y / HEIGHT)
+    pushed = True
+
+
+# Aktualisierung des Spiels
+def update_game():
+    if pushed:
+        calc_new_position()
+        calc_new_speed()
+    return True
+
+
+def calc_new_speed():
+    global speed, pushed
+    speed = (speed[0] * FRICTION, speed[1] * FRICTION)
+    if abs(speed[0]) < 0.1 and abs(speed[1]) < 0.1:
+        pushed = False
+        speed = (0.0, 0.0)
+
+
+def calc_new_position():
+    global speed, position
+    position = (position[0] + speed[0], position[1] + speed[1])
+    if position[0] < CIRCLE_RADIUS or position[0] + CIRCLE_RADIUS >= WIDTH:
+        speed = (-speed[0], speed[1])
+        position = (position[0] + speed[0], position[1] + speed[1])
+    if position[1] < CIRCLE_RADIUS or position[1] + CIRCLE_RADIUS >= HEIGHT:
+        speed = (speed[0], -speed[1])
+        position = (position[0] + speed[0], position[1] + speed[1])
+
+
+# Zeichnen des Spiels
+def draw_game(screen):
+    screen.fill(GREEN)
+    pygame.draw.circle(screen, BLACK, position, CIRCLE_RADIUS)
+    if not pushed:
+        mouse_pos = pygame.mouse.get_pos()
+        if mouse_pos[0] > 0 and mouse_pos[0] < WIDTH-1 and mouse_pos[1] > 0 and mouse_pos[1] < HEIGHT-1:
+            pygame.draw.line(screen, RED, position, mouse_pos, 2)
+    pygame.display.flip()
+
+
+
+# Start des Programms
+main()

03_Games/assignments/connect_the_clicks.py

@@ -0,0 +1,70 @@
+import pygame
+
+# Festlegung der Konstanten
+WIDTH = 320
+HEIGHT = 240
+SIZE = (WIDTH, HEIGHT)
+BLACK = (0, 0, 0)
+RED = (255, 0, 0)
+
+
+# Hauptfunktion mit Standardstruktur eines Pygame
+def main():
+    screen = init_game()
+    game_loop(screen)
+    exit_game()
+
+
+# Initialisierung von Pygame
+def init_game():
+    global clicks
+    clicks = []
+    pygame.init()
+    return pygame.display.set_mode(SIZE)
+
+
+# Game-Loop
+def game_loop(screen):
+    while True:
+        if event_handling() == False:
+            break
+        if update_game() == False:
+            break
+        draw_game(screen)
+
+
+# Beenden von Pygame
+def exit_game():
+    pygame.quit()
+
+
+# Event-Behandlung
+def event_handling():
+    global clicks
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            return False
+        if event.type == pygame.MOUSEBUTTONUP:
+            pos = pygame.mouse.get_pos()
+            clicks.append(pos)
+    return True
+
+
+# Aktualisierung des Spiels
+def update_game():
+    return True
+
+
+# Zeichnen des Spiels
+def draw_game(screen):
+    screen.fill(BLACK)
+    last_pos = None
+    for pos in clicks:
+        if last_pos is not None:
+            pygame.draw.line(screen, RED, last_pos, pos, 2)
+        last_pos = pos
+    pygame.display.flip()
+
+
+# Start des Programms
+main()

03_Games/lessons/01_sequenzen.py

@@ -0,0 +1,39 @@
+# Listen-Literal mit 3 Elementen
+l = [3, "Hello", 5.0]
+print(l)
+
+# Zugriff auf das erste Element der Liste
+l = [3, "Hello", 5.0]
+print(f"Das erste Element der Liste ist {l[0]}")
+
+# Ändern des zweiten Elements der Liste
+l = [3, "Hello", 5.0]
+l[1] = "Hallo"
+print(f"Das zweite Element der Liste ist jetzt {l[1]}")
+
+# Iteration über die Elemente einer Liste
+liste = [3, "Hello", 5.0]
+for element in liste:
+    print(element)
+
+# Iteration über ein Intervall
+for zahl in range(3):
+    print(zahl)
+
+# Typen von Listen und Intervallen
+print(type([3, "Hello", 5.0]))
+print(type(range(3)))
+
+# Iteration über die Zeichen eines Strings
+for c in "Hallo":
+    print(c)
+
+# Konvertierung eines Strings in eine Liste
+print(list("Hallo"))
+
+# Tupel-Literal mit 3 Elementen, Zugriff, Iteration
+tupel = (3, "Hello", 5.0)
+print(tupel[2])
+for element in tupel:
+    print(element)
+

03_Games/lessons/02_black_window_game.py

@@ -0,0 +1,58 @@
+import pygame
+
+# Festlegung der Konstanten
+WIDTH = 320
+HEIGHT = 240
+SIZE = (WIDTH, HEIGHT)
+BLACK = (0, 0, 0)
+
+
+# Hauptfunktion mit Standardstruktur eines Pygame
+def main():
+    screen = init_game()
+    game_loop(screen)
+    exit_game()
+
+
+# Initialisierung von Pygame
+def init_game():
+    pygame.init()
+    return pygame.display.set_mode(SIZE)
+
+
+# Game-Loop
+def game_loop(screen):
+    while True:
+        if event_handling() == False:
+            break
+        if update_game() == False:
+            break
+        draw_game(screen)
+
+
+# Beenden von Pygame
+def exit_game():
+    pygame.quit()
+
+
+# Behandlung der Events
+def event_handling():
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            return False
+    return True
+
+
+# Aktualisierung des Spiels
+def update_game():
+    return True
+
+
+# Zeichnen des Spiels
+def draw_game(screen):
+    screen.fill(BLACK)
+    pygame.display.flip()
+
+
+# Start des Programms
+main()

03_Games/lessons/03_scope.py

@@ -0,0 +1,34 @@
+# Gültigkeitsbereich von Variablen
+
+
+# 1. Beispiel: Änderungen an lokalen Variablen beeinflussen globale Variablen nicht
+
+a = 1   # Globale Variable
+
+def f():
+    a = 2  # Lokale Variable
+
+f()
+print(a)
+
+
+# 2. Beispiel: Das Verdecken der globalen Variable durch eine lokale Variable
+#              kann durch die Verwendung des Schlüsselworts 'global' verhindert werden
+
+def f():
+    global a
+    a = 2
+
+f()
+print(a)
+
+
+# 3. Beispiel: Eine globale Variable kann in einer Funktion erstellt werden
+
+def f():
+    global b
+    b = 3
+
+f()
+print(b)
+

03_Games/lessons/04_walker.py

@@ -0,0 +1,72 @@
+import pygame
+
+# Festlegung der Konstanten
+WIDTH = 320
+HEIGHT = 240
+SIZE = (WIDTH, HEIGHT)
+BLACK = (0, 0, 0)
+RED = (255, 0, 0)
+CIRCLE_RADIUS = 10
+
+
+# Hauptfunktion mit Standardstruktur eines Pygame
+def main():
+    screen = init_game()
+    game_loop(screen)
+    exit_game()
+
+
+# Initialisierung von Pygame
+def init_game():
+    global position
+    position = (WIDTH // 2, HEIGHT // 2)
+    pygame.init()
+    return pygame.display.set_mode(SIZE)
+
+
+# Game-Loop
+def game_loop(screen):
+    while True:
+        if event_handling() == False:
+            break
+        if update_game() == False:
+            break
+        draw_game(screen)
+
+# Beenden von Pygame
+def exit_game():
+    pygame.quit()
+
+
+# Behandlung der Events
+def event_handling():
+    global position
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            return False
+        if event.type == pygame.KEYDOWN:
+            if event.key == pygame.K_UP:
+                position = (position[0], position[1] - 1)
+            if event.key == pygame.K_DOWN:
+                position = (position[0], position[1] + 1)
+            if event.key == pygame.K_LEFT:
+                position = (position[0] - 1, position[1])
+            if event.key == pygame.K_RIGHT:
+                position = (position[0] + 1, position[1])
+    return True
+
+
+# Aktualisierung des Spiels
+def update_game():
+    return True
+
+
+# Zeichnen des Spiels
+def draw_game(screen):
+    screen.fill(BLACK)
+    pygame.draw.circle(screen, RED, position, CIRCLE_RADIUS)
+    pygame.display.flip()
+
+
+# Start des Programms
+main()

03_Games/lessons/05_walker_improved.py

@@ -0,0 +1,96 @@
+import pygame
+
+# Festlegung der Konstanten
+WIDTH = 320
+HEIGHT = 240
+SIZE = (WIDTH, HEIGHT)
+FPS = 30
+BLACK = (0, 0, 0)
+RED = (255, 0, 0)
+CIRCLE_RADIUS = 10
+KEY_UP = 0
+KEY_DOWN = 1
+KEY_LEFT = 2
+KEY_RIGHT = 3
+SPEED = 3
+
+
+# Hauptfunktion mit Standardstruktur eines Pygame
+def main():
+    screen = init_game()
+    game_loop(screen)
+    exit_game()
+
+
+# Initialisierung von Pygame
+def init_game():
+    global position
+    global keys_pressed
+    global clock
+    position = (WIDTH // 2, HEIGHT // 2)
+    keys_pressed = [False, False, False, False]
+    clock = pygame.time.Clock()
+    pygame.init()
+    return pygame.display.set_mode(SIZE)
+
+
+# Game-Loop
+def game_loop(screen):
+    while True:
+        if event_handling() == False:
+            break
+        if update_game() == False:
+            break
+        draw_game(screen)
+        clock.tick(FPS)
+
+
+# Beenden von Pygame
+def exit_game():
+    pygame.quit()
+
+
+# Behandlung der Events
+def event_handling():
+    global keys_pressed
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            return False
+
+        if event.type == pygame.KEYDOWN or event.type == pygame.KEYUP:
+            new_value = (event.type == pygame.KEYDOWN)
+            if event.key == pygame.K_UP:
+                keys_pressed[KEY_UP] = new_value
+            if event.key == pygame.K_DOWN:
+                keys_pressed[KEY_DOWN] = new_value
+            if event.key == pygame.K_LEFT:
+                keys_pressed[KEY_LEFT] = new_value
+            if event.key == pygame.K_RIGHT:
+                keys_pressed[KEY_RIGHT] = new_value
+
+    return True
+
+
+# Aktualisierung des Spiels
+def update_game():
+    global position
+    if keys_pressed[KEY_UP]:
+        position = (position[0], position[1] - SPEED)
+    if keys_pressed[KEY_DOWN]:
+        position = (position[0], position[1] + SPEED)
+    if keys_pressed[KEY_LEFT]:
+        position = (position[0] - SPEED, position[1])
+    if keys_pressed[KEY_RIGHT]:
+        position = (position[0] + SPEED, position[1])
+    return True
+
+
+# Zeichnen des Spiels
+def draw_game(screen):
+    screen.fill(BLACK)
+    pygame.draw.circle(screen, RED, position, CIRCLE_RADIUS)
+    pygame.display.flip()
+
+
+# Start des Programms
+main()