147 lines
2.9 KiB
Plaintext
147 lines
2.9 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"source": [
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"_Aufgabe 1_\n",
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"\n",
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"Schreiben Sie ein Python-Programm, das zunächst eine Zahl von der Tastatur einliest,\n",
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"anschließend mittels einer <code>while</code>-Schleife die Binärdarstellung\n",
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"der Zahl ermittelt und diese ausgibt."
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"slideshow": {
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"slide_type": "-"
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}
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},
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"outputs": [],
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"source": []
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"pycharm": {
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"is_executing": false,
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"name": "#%%\n"
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},
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"outputs": [],
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"source": [
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"num = int(input(\"Zahl:\"))\n",
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"\n",
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"ergebnis = \"\"\n",
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"while num > 0:\n",
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" ergebnis = str(num % 2) + ergebnis\n",
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" num = num // 2\n",
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"\n",
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"print(ergebnis)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"source": [
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"_Aufgabe 2_\n",
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"\n",
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"Schreiben Sie ein Python-Programm, das einen String bestehend aus <code>0</code> und <code>1</code> \n",
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"von der Tastatur einliest, diesen als Binärzahl betrachtet und den dezimalen Wert ausgibt."
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"slideshow": {
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"slide_type": "-"
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}
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},
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"outputs": [],
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"source": []
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"pycharm": {
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"name": "#%%\n"
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},
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"slideshow": {
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"slide_type": "slide"
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}
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},
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"outputs": [],
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"source": [
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"binaer = input(\"Binärzahl:\")\n",
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"\n",
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"# Lösung 1\n",
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"ergebnis = 0\n",
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"index = 0\n",
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"while index < len(binaer):\n",
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" ergebnis = ergebnis * 2\n",
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" if binaer[index] == \"1\":\n",
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" ergebnis = ergebnis + 1\n",
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" index = index + 1\n",
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"\n",
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"# Lösung 2 \n",
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"index = len(binaer)-1\n",
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"ergebnis2 = 0\n",
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"while index >=0:\n",
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" stellenwert = len(binaer) - 1 - index\n",
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" ergebnis2 = ergebnis2 + int(binaer[index])* (2 ** stellenwert ) \n",
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" index = index - 1\n",
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" \n",
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"print(ergebnis)\n",
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"print(ergebnis2)"
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]
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}
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],
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"metadata": {
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"celltoolbar": "Slideshow",
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"kernelspec": {
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"display_name": "Python 3 (ipykernel)",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.9.9"
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},
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"pycharm": {
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"stem_cell": {
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"cell_type": "raw",
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"metadata": {
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"collapsed": false
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},
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"source": []
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}
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}
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},
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"nbformat": 4,
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"nbformat_minor": 1
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}
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