21_Dateien_lesen_und_schreiben.ipynb

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    "Dateien lesen und schreiben\n",
    "------------------------------\n",
    "### Dateien lesen\n",
    "\n",
    "* Datei öffnen kennt verschiedene Modi:\n",
    "    * r: Lesen\n",
    "    * w: Schreiben\n",
    "    * r+: Lesen & Schreiben\n",
    "    * a: Append (Am Ende anhängen)\n",
    "    * b: Binary (nur für Binärdateien, nur unter Windows notwendig)\n",
    "* In Python kann man eine Datei abarbeiten, wie eine Liste"
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    "# Datei lesen:\n",
    "file = open(\"mein_text.txt\", \"r\")\n",
    "for line in file:\n",
    "    print(line)\n",
    "file.close()"
   ]
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    "# Datei schreiben:\n",
    "obstsorten = [\"Mango\", \"Papaya\", \"Banane\"]\n",
    "file = open(\"mein_text.txt\", \"w\")\n",
    "for obst in obstsorten:\n",
    "    file.write(obst)\n",
    "file.close()"
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