handling files

example.txt

@@ -0,0 +1,3 @@
+This is the first line
+This is the second line
+This is the third line

handling_files.ipynb

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+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "385e02b5-3594-4a95-bc38-c83c196b5ccb",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "This is the first line\n",
+      "\n",
+      "This is the second line\n",
+      "\n",
+      "This is the third line\n"
+     ]
+    }
+   ],
+   "source": [
+    "with open('example.txt') as file:\n",
+    "    for line in file:\n",
+    "        print(line)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "fde4822a-a9fc-42b8-b6aa-e821d596fcad",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "This is the first line\n",
+      "This is the second line\n",
+      "This is the third line\n"
+     ]
+    }
+   ],
+   "source": [
+    "with open('example.txt') as file:\n",
+    "   print(file.read())"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "6017aa72-b734-45d9-8a4e-5f7721c9e61a",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "This is th\n"
+     ]
+    }
+   ],
+   "source": [
+    "with open('example.txt') as file:\n",
+    "   print(file.read(10))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "id": "3c910f18-e13a-456e-9ceb-841cecb2a5c8",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Yes, it exists\n"
+     ]
+    }
+   ],
+   "source": [
+    "import os\n",
+    "if os.path.exists(\"example.txt\"):\n",
+    "  print(\"Yes, it exists\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "83d65bb9-8569-4de3-8b8a-892ddb4d10d0",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.8.19"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}