109 lines
2.1 KiB
Plaintext
109 lines
2.1 KiB
Plaintext
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{
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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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"pycharm": {
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"name": "#%% md\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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"source": [
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"\n",
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"Gegeben ist eine binäre Grafikdatei <code>ohm.png</code>."
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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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"pycharm": {
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"name": "#%%\n"
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}
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},
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"outputs": [],
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"source": [
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"from IPython.display import Image\n",
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"Image(filename=\"ohm.png\")"
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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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"pycharm": {
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"name": "#%% md\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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"source": [
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"_Aufgabe 1_\n",
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"\n",
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"Erstellen Sie ein Python-Programm, dass diese Datei in eine zweite\n",
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"Datei <code>logo.png</code> kopiert. Übertragen Sie die Daten bitte\n",
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"in 32 Byte Paketen."
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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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"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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"from IPython.display import Image\n",
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"\n",
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"\n",
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"with open(\"ohm.png\", \"rb\") as source_file:\n",
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" with open(\"logo.png\", \"wb\") as dest_file:\n",
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" buffer_size = 32\n",
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" buffer = source_file.read(buffer_size)\n",
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" while len(buffer)>0:\n",
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" dest_file.write(buffer)\n",
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" buffer = source_file.read(buffer_size)\n",
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"\n",
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"\n",
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"Image(filename=\"logo.png\")"
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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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},
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"nbformat": 4,
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"nbformat_minor": 1
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}
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