function exercise

Author: sunilzambre

function_exercise.ipynb

@@ -0,0 +1,162 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "3c1f7893-37e6-405b-8476-324a0befe5f0",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "## filter() function construct an iterator from elements of an iterable for which a function returns true.\n",
+    "## it is used to filter out items from a list(or any other iterable) based on a condition.\n",
+    "def even(num):\n",
+    "    if num%2==0:\n",
+    "        return True"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "0ad00a0c-5e63-4818-918d-6b2c3731ecb6",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "True"
+      ]
+     },
+     "execution_count": 2,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "even(28)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "5a541e47-3d9a-427f-bee4-4ad3e741f1a4",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[2, 4, 6, 8, 10]"
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "lst=[1,2,3,4,5,6,7,8,9,10]\n",
+    "list(filter(even,lst))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "id": "904646b4-ae5f-4cf5-aac5-5f554ccba103",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[7, 8, 9, 10]\n"
+     ]
+    }
+   ],
+   "source": [
+    "## filter with lambda function \n",
+    "num =[1,2,3,4,5,7,8,9,10]\n",
+    "greater_than_five =list(filter(lambda x : x >5,num))\n",
+    "print(greater_than_five)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "id": "4c926ed6-523a-4ccb-b0fa-856dbad653eb",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[6, 8, 10]\n"
+     ]
+    }
+   ],
+   "source": [
+    "## filter with lambda function and multiple conditions\n",
+    "number=[1,2,3,4,5,6,7,8,9,10]\n",
+    "even_greater_than_five=list(filter(lambda x : x >5 and x%2==0, number))\n",
+    "print(even_greater_than_five)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "id": "6e77166b-992f-4677-8a80-8e6c52d0ee75",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[{'name': 'sunil', 'age': 41}, {'name': 'rahul', 'age': 35}]"
+      ]
+     },
+     "execution_count": 6,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "## filter to check if the age is greater than 25 in dictionaries\n",
+    "people =[\n",
+    "       {'name':'sunil','age':41},\n",
+    "       {'name':'rahul','age':35},\n",
+    "       {'name':'santosh','age':25}      \n",
+    "       ]\n",
+    "\n",
+    "def age_greater_than_25(person):\n",
+    "    return person['age'] > 25\n",
+    "list(filter(age_greater_than_25,people))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "317b519c-3bad-4acb-a671-3d7a96fd66fa",
+   "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": "3.12.7"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}