Add alt code: Fibonacci Member

Signed-off-by: Kunal Garg <kunalgarg2002@gmail.com>

Author: Kunal-Garg-12

7 Functions/Fibonacci Member alt.ipynb

@@ -0,0 +1,63 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 18,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "true\n"
+     ]
+    }
+   ],
+   "source": [
+    "def checkFib(n):\n",
+    "    if n==1 or n==0:\n",
+    "        return True\n",
+    "    a = 1\n",
+    "    b = 1\n",
+    "    while a<n:\n",
+    "        a, b = a+b, a\n",
+    "    if a==n:\n",
+    "        return True\n",
+    "    return False\n",
+    "\n",
+    "n = int(input())\n",
+    "if checkFib(n):\n",
+    "    print(\"true\")\n",
+    "else:\n",
+    "    print(\"false\")"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3.10.4 64-bit",
+   "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": "3.10.4"
+  },
+  "orig_nbformat": 4,
+  "vscode": {
+   "interpreter": {
+    "hash": "369f2c481f4da34e4445cda3fffd2e751bd1c4d706f27375911949ba6bb62e1c"
+   }
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}