.ipynb_checkpoints/003.Forloop-checkpoint.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1\n",
      "2\n",
      "3\n",
      "4\n",
      "5\n",
      "no 10 rs notes are available \n"
     ]
    }
   ],
   "source": [
    "notes = 5 \n",
    "i = 1 \n",
    "j = 1\n",
    "while i < notes:\n",
    "    print(i)\n",
    "    i += 1\n",
    "else :\n",
    "    \n",
    "    while j < 2 :\n",
    "        print(i)\n",
    "        j = j + 1 \n",
    "    print(\"no 10 rs notes are available \")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "metadata": {},
   "outputs": [],
   "source": [
    "s = \"my name is sudhanshu\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'my name is sudhanshu'"
      ]
     },
     "execution_count": 32,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "s"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "' name is sud'"
      ]
     },
     "execution_count": 33,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "s[2:-6]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'nm s'"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "s[3:10:2]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "ename": "NameError",
     "evalue": "name 's' is not defined",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mNameError\u001b[0m                                 Traceback (most recent call last)",
      "\u001b[0;32m/tmp/ipykernel_10186/1439545467.py\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0ms\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m10\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;36m3\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[0;31mNameError\u001b[0m: name 's' is not defined"
     ]
    }
   ],
   "source": [
    "s[10:3:-2]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'uhsnahdus si eman ym'"
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "s[::-1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "' name is sud'"
      ]
     },
     "execution_count": 23,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "s[2:-6]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [],
   "source": [
    "s = \"sudh\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'s'"
      ]
     },
     "execution_count": 28,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "s[0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'my name is sudhanshu'"
      ]
     },
     "execution_count": 34,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "s"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 36,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "m\n",
      "y\n",
      " \n",
      "n\n",
      "a\n",
      "m\n",
      "e\n",
      " \n",
      "i\n",
      " i got s as a string \n",
      "s\n",
      " \n",
      " i got s as a string \n",
      "s\n",
      "u\n",
      "d\n",
      "h\n",
      "a\n",
      "n\n",
      " i got s as a string \n",
      "s\n",
      "h\n",
      "u\n"
     ]
    }
   ],
   "source": [
    "for i in s :\n",
    "    if i == 's':\n",
    "        print(\" i got s as a string \")\n",
    "    print(i)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'my name is sudhanshu'"
      ]
     },
     "execution_count": 37,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "s "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "m\n",
      "y\n",
      " \n",
      "a\n",
      "m\n",
      "e\n",
      " \n",
      "i\n",
      "s\n",
      " \n",
      "s\n",
      "u\n",
      "d\n",
      "h\n",
      "a\n",
      "s\n",
      "h\n",
      "u\n",
      "last char was u \n",
      "this is a else condtion \n"
     ]
    }
   ],
   "source": [
    "for i in s :\n",
    "    if i == \"n\":\n",
    "        continue \n",
    "    print(i)\n",
    "else :\n",
    "    if i == 'u':\n",
    "        print(\"last char was u \")\n",
    "    print(\"this is a else condtion \")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 53,
   "metadata": {},
   "outputs": [],
   "source": [
    "s =  \"ineuron\"\n",
    "ss = \"\"\n",
    "for i in range(len(s)):\n",
    "    if s[i] == \"n\":\n",
    "        continue\n",
    "    else :\n",
    "        ss = ss + s[i]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 54,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'ieuro'"
      ]
     },
     "execution_count": 54,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ss"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 55,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "7"
      ]
     },
     "execution_count": 55,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(s)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 58,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "+ \r\n",
      "+ + \r\n",
      "+ + + \r\n",
      "+ + + + \r\n",
      "+ + + + + \r\n",
      "+ + + + + + \r\n",
      "+ + + + + + + \r\n"
     ]
    }
   ],
   "source": [
    "n = 7 \n",
    "for i in range(0 ,n):\n",
    "    for j in range(0 ,i +1):\n",
    "        print(\"+ \" , end = \"\")\n",
    "    print(\"\\r\")\n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 59,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "        * * * * * * \r\n",
      "         * * * * * \r\n",
      "          * * * * \r\n",
      "           * * * \r\n",
      "            * * \r\n",
      "             * \r\n"
     ]
    }
   ],
   "source": [
    "def pattern(n):\n",
    "      k = 2*n -2\n",
    "      for i in range(n,-1,-1):\n",
    "           for j in range(k,0,-1):\n",
    "                print(end=\" \")\n",
    "           k = k +1\n",
    "           for j in range(0, i+1):\n",
    "                print(\"*\", end=\" \")\n",
    "           print(\"\\r\")\n",
    " \n",
    "pattern(5)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 75,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "7\n",
      "6\n",
      "5\n",
      "4\n",
      "3\n",
      "2\n",
      "1\n"
     ]
    }
   ],
   "source": [
    "for i in range(7,0,-1):\n",
    "    print(i)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 60,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Enter number of rows required: 7\n",
      "*************\n",
      " ***********\n",
      "  *********\n",
      "   *******\n",
      "    *****\n",
      "     ***\n",
      "      *\n"
     ]
    }
   ],
   "source": [
    "n = int(input('Enter number of rows required: '))\n",
    "\n",
    "for i in range(n,0,-1):\n",
    "    for j in range(n-i):\n",
    "        print(' ', end='') \n",
    "    \n",
    "    for j in range(2*i-1):\n",
    "        print('*',end='') \n",
    "    print()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 77,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "8\n",
      "7\n",
      "6\n",
      "5\n",
      "4\n",
      "3\n",
      "2\n",
      "1\n"
     ]
    }
   ],
   "source": [
    "for i in range(8, 0, -1):\n",
    "    print(i)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 61,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "        * * * * * * \n",
      "         * * * * * \n",
      "          * * * * \n",
      "           * * * \n",
      "            * * \n",
      "             * \n"
     ]
    }
   ],
   "source": [
    "num = 5\n",
    "m = 2 * num - 2\n",
    "for i in range(num, -1, -1):\n",
    "    for j in range(m, 0, -1):\n",
    "        print(end=\" \")\n",
    "    m = m + 1\n",
    "    for j in range(0, i + 1):\n",
    "        print(\"*\", end=\" \")\n",
    "    print(\"\")\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 80,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'     '"
      ]
     },
     "execution_count": 80,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "\" \"*5"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": 78,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "        * \n",
      "       * * \n",
      "      * * * \n",
      "     * * * * \n",
      "    * * * * * \n",
      "   * * * * * * \n",
      "  * * * * * * * \n",
      " * * * * * * * * \n",
      "* * * * * * * * * \n"
     ]
    }
   ],
   "source": [
    "n =9\n",
    "i=0\n",
    "while i < n :\n",
    "    print(' '*(n-i-1) + '* '*(i+1))\n",
    "    i +=1\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 63,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "    *\n",
      "   ***\n",
      "  *****\n",
      " *******\n",
      "*********\n"
     ]
    }
   ],
   "source": [
    "i=1\n",
    "k=1 #for printing starts with the increament of 2\n",
    "\n",
    "while i<=5:\n",
    "    b=1\n",
    "    while b<=5-i:\n",
    "        print(' ',end='')\n",
    "        b=b+1\n",
    "        \n",
    "    j=1\n",
    "    while j<=k:\n",
    "        print('*', end='')\n",
    "        j=j+1\n",
    "    print()\n",
    "    \n",
    "    k=k+2\n",
    "    \n",
    "    i=i+1\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 64,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Please enter the amount of rows: 7\n",
      "      *\n",
      "     ***\n",
      "    *****\n",
      "   *******\n",
      "  *********\n",
      " ***********\n",
      "*************\n",
      "**iNeuron-FSDS**\n"
     ]
    }
   ],
   "source": [
    "userInput = int(input(\"Please enter the amount of rows: \"))\n",
    "\n",
    "row = 0\n",
    "while(row < userInput):\n",
    "    row += 1\n",
    "    spaces = userInput - row\n",
    "\n",
    "    spaces_counter = 0\n",
    "    while(spaces_counter < spaces):\n",
    "        print(\" \", end='')\n",
    "        spaces_counter += 1\n",
    "\n",
    "    num_stars = 2*row-1\n",
    "    while(num_stars > 0):\n",
    "        print(\"*\", end='')\n",
    "        num_stars -= 1\n",
    "\n",
    "    print()\n",
    "print(\"**iNeuron-FSDS**\")\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 81,
   "metadata": {},
   "outputs": [],
   "source": [
    "l = list()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 82,
   "metadata": {},
   "outputs": [],
   "source": [
    "name = \"sudh\"\n",
    "phno = 543535345\n",
    "addr = \"sdfsff\"\n",
    "\n",
    "name , phno , addr = \"sudh \" , 54353453,\"fgfd\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 122,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "7"
      ]
     },
     "execution_count": 122,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "l = [\"sudh\" , 34535,\"sfsfsafa\", True, 45+8j , [3,5,6,\"dfg\"],6.787]\n",
    "\n",
    "len(l)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 121,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "range(0, 10)"
      ]
     },
     "execution_count": 121,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "range(10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 119,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]"
      ]
     },
     "execution_count": 119,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "list(range(10))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 120,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "4\n",
      "5\n",
      "6\n",
      "7\n",
      "8\n",
      "9\n"
     ]
    }
   ],
   "source": [
    "for  i in range(4,10):\n",
    "    print(i)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 114,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[]"
      ]
     },
     "execution_count": 114,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "l[80 :3:1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 107,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "14\n",
      "<class 'str'>\n"
     ]
    }
   ],
   "source": [
    "for i in l :\n",
    "    if type(i) == list:\n",
    "        n = 0\n",
    "        for  j in i :\n",
    "            if type(j) == int :\n",
    "                n = n + j\n",
    "        print(n)\n",
    "                \n",
    "        print(type(j))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 88,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "list"
      ]
     },
     "execution_count": 88,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "type(l)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 94,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "list"
      ]
     },
     "execution_count": 94,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "l1 = []\n",
    "type(l1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 95,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "list"
      ]
     },
     "execution_count": 95,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "l2 = list()\n",
    "type(l2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 90,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "list"
      ]
     },
     "execution_count": 90,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "type(l1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 85,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'sudh'"
      ]
     },
     "execution_count": 85,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "l[0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 86,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "34535"
      ]
     },
     "execution_count": 86,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "l[1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 87,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'sfsfsafa'"
      ]
     },
     "execution_count": 87,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "l[2]"
   ]
  },
  {
   "cell_type": "code",
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