Day62

Author: Dishantkharkar

Day61 - List Interview Questions.ipynb

@@ -128,6 +128,14 @@
      "text": [
       "[1, 4, 9, 16, 25]\n"
      ]
+    },
+    {
+     "ename": "",
+     "evalue": "",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[1;31mThe Kernel crashed while executing code in the the current cell or a previous cell. Please review the code in the cell(s) to identify a possible cause of the failure. Click <a href='https://aka.ms/vscodeJupyterKernelCrash'>here</a> for more info. View Jupyter <a href='command:jupyter.viewOutput'>log</a> for further details."
+     ]
     }
    ],
    "source": [

Day62 - Python Usecases Interview Questions.ipynb

@@ -0,0 +1,194 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# **Python Usecases Interview Questions**"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "`1.Given two lists, write a function that returns the elements that are common to both lists.`"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[3, 4, 5]"
+      ]
+     },
+     "execution_count": 4,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "# given lists \n",
+    "l1 = [1, 2, 3, 4, 5]\n",
+    "l2 = [3, 4, 5, 6, 7]\n",
+    "\n",
+    "# function for the commmon elements\n",
+    "def find_common_element(list1,list2):\n",
+    "    common_element = list(set(list1) & set(list2))\n",
+    "    return common_element\n",
+    "\n",
+    "find_common_element(l1,l2)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "`2. Write a Python function to merge two dictionaries. If both dictionaries have the same key, prefer the second dictionary's value.`"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'a': 1, 'b': 3, 'c': 4}\n"
+     ]
+    }
+   ],
+   "source": [
+    "# function \n",
+    "def merge_two_dictionaries(dict1,dict2):\n",
+    "    merged = dict1.copy()\n",
+    "    merged.update(dict2)\n",
+    "    return merged\n",
+    "\n",
+    "dict1 = {'a': 1, 'b': 2}\n",
+    "dict2 = {'b': 3, 'c': 4}\n",
+    "print(merge_two_dictionaries(dict1, dict2))    "
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "`3.Given a list of numbers, write a function to compute the mean, median, and mode.`"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'mean': 3.888888888888889, 'median': 4, 'mode': 5}\n"
+     ]
+    }
+   ],
+   "source": [
+    "# list\n",
+    "numbers = [1, 2, 3, 4, 4, 5, 5, 5, 6]\n",
+    "\n",
+    "from statistics import mean, median, mode\n",
+    "def central_measures(numbers):\n",
+    "    return {\n",
+    "        'mean': mean(numbers),\n",
+    "        'median': median(numbers),\n",
+    "        'mode': mode(numbers)    \n",
+    "    }\n",
+    "    \n",
+    "print(central_measures(numbers))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "`4.Write a function to check if a given string is a palindrome.`"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "True\n"
+     ]
+    }
+   ],
+   "source": [
+    "def is_palindrome(s):\n",
+    "    return s == s[::-1]\n",
+    "\n",
+    "string = \"radar\"\n",
+    "print(is_palindrome(string))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "`5.Write a function to compute the factorial of a number using iteration.`"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "120\n"
+     ]
+    }
+   ],
+   "source": [
+    "def factorial_iterative(n):\n",
+    "    result = 1\n",
+    "    for i in range(2, n+1):\n",
+    "        result *= i\n",
+    "    return result\n",
+    "\n",
+    "number = 5\n",
+    "print(factorial_iterative(number)) \n"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "base",
+   "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": "3.9.18"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}