Queue Added

Author: soumyadip007

MISC/Untitled.ipynb

@@ -0,0 +1,77 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "3\n",
+      "Dequeue:  10\n",
+      "Dequeue:  20\n",
+      "1\n"
+     ]
+    }
+   ],
+   "source": [
+    "\n",
+    "#FIFO - first -> first\n",
+    "\n",
+    "class Queue:\n",
+    "\n",
+    "    def __init__(self):\n",
+    "        self.queue = []\n",
+    "\n",
+    "    def isEmpty(self):\n",
+    "        return self.queue == []\n",
+    "\n",
+    "    def enqueue(self, data):\n",
+    "        self.queue.append(data)\n",
+    "    \n",
+    "    def dequeue(self):\n",
+    "        data = self.queue[0]\n",
+    "        del self.queue[0]\n",
+    "        return data\n",
+    "        \n",
+    "    def peek(self):\n",
+    "        return self.queue[0]\n",
+    "\n",
+    "    def sizeQueue(self):\n",
+    "        return len(self.queue)\n",
+    "\n",
+    "queue = Queue()\n",
+    "queue.enqueue(10)\n",
+    "queue.enqueue(20)\n",
+    "queue.enqueue(30)\n",
+    "print(queue.sizeQueue())\n",
+    "print(\"Dequeue: \", queue.dequeue())\n",
+    "print(\"Dequeue: \", queue.dequeue())\n",
+    "print(queue.sizeQueue())"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "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": "3.7.4"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}