Turtle

01_Turtle/lesson/01_simple_line.py

@@ -1,5 +1,8 @@
-from turtle import *
+from turtle import Turtle
+
+sophia = Turtle()
+sophia.forward(100)
+
+sophia.screen.mainloop()
+
 
-shape('turtle')
-forward(100)
-done()

01_Turtle/lesson/02_dotted_line.py

@@ -1,9 +1,12 @@
-from turtle import *
+from turtle import Turtle
+
+sophia = Turtle()
+sophia.hideturtle()
 
 for _ in range(10):
-    penup();
-    forward(5);
-    pendown();
-    forward(5);
+    sophia.penup()
+    sophia.forward(5)
+    sophia.pendown()
+    sophia.forward(5)
 
-done()
+sophia.screen.mainloop()

01_Turtle/lesson/03_colored_line.py

@@ -2,15 +2,19 @@ from turtle import *
 
 pensize(5)
 
-pencolor('Green')
+pencolor('green')
 forward(30)
-pencolor('Blue')
+pencolor('blue')
 forward(30)
-pencolor('Red')
+pencolor('red')
 forward(30)
-pencolor('White')
+pencolor('white')
 forward(30)
-pencolor('Black')
+pencolor('black')
+print(pencolor())
 forward(30)
+pencolor('#c72426')
+forward(30)
+print(pencolor())
 
 done()

01_Turtle/lesson/05_square.py

@@ -1,10 +1,12 @@
-from turtle import *
+from turtle import Turtle
+
+sophia = Turtle()
 
 def draw_square():
     for _ in range(4):
-        forward(100)
-        right(90)
+        sophia.forward(100)
+        sophia.right(90)
 
 draw_square()
 
-done()
+sophia.screen.mainloop()

01_Turtle/lesson/06_sized_square.py

@@ -1,16 +1,12 @@
-from turtle import *
+from turtle import Turtle
 
-def draw_square(length):
+sophia = Turtle()
+
+def draw_square(turtle, length):
     for _ in range(4):
-        forward(length)
-        right(90)
+        turtle.forward(length)
+        turtle.right(90)
 
+draw_square(sophia, 100)
 
-draw_square(50)
-penup()
-forward(100)
-pendown()
-draw_square(40)
-hideturtle()
-
-done()
+sophia.screen.mainloop()

01_Turtle/lesson/07_filled_square.py

@@ -1,18 +1,18 @@
-from turtle import *
+from turtle import Turtle
 
-def draw_square(length):
-    begin_fill()
+def draw_square(turtle, length):
     for _ in range(4):
-        forward(length)
-        right(90)
-    end_fill()
+        turtle.forward(length)
+        turtle.right(90)
 
-draw_square(50)
-penup()
-forward(100)
-pendown()
-draw_square(40)
+def draw_filled_square(turtle, length):
+    turtle.begin_fill()
+    draw_square(turtle, length)
+    turtle.end_fill()
 
-hideturtle()
 
-done()
+sophia = Turtle()
+sophia.fillcolor('red')
+draw_filled_square(sophia, 100)
+
+sophia.screen.mainloop()

01_Turtle/lesson/07_filled_square_methods.py

@@ -0,0 +1,18 @@
+from turtle import Turtle
+
+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()
+
+Turtle.draw_filled_square = draw_filled_square
+sophia = Turtle()
+sophia.fillcolor('red')
+sophia.draw_filled_square(100)
+
+sophia.screen.mainloop()