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diff --git a/Fundamental_of_Computing_and_Programming_in_C/Chapter01.ipynb b/Fundamental_of_Computing_and_Programming_in_C/Chapter01.ipynb
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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:e61d5eac9962a1b27acd93d08c5b466532db593eb946c997e161cd14ea1acee1"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 01 : Operators and Expressions"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 1: Page No.:4.35"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Usage of Arithmetic operators\n",
+      "\n",
+      "#Variable declaration\n",
+      "i=10\n",
+      "j=20\n",
+      "\n",
+      "#the sum value of variables i and j stores in k variable \n",
+      "k=i+j\n",
+      "\n",
+      "#Result\n",
+      "print \"Value of k is %d\"%(k)"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Value of k is 30\n"
+       ]
+      }
+     ],
+     "prompt_number": 5
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 2: Page No.:4.35"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "# Demonstrations on arithmetic operators\n",
+      "\n",
+      "#User Input\n",
+      "\n",
+      "a,b,c,d=input(\"Enter values of a, b, c, d: \")\n",
+      "\n",
+      "#Calculation\n",
+      "a+=(b*c)+d\n",
+      "\n",
+      "#Result\n",
+      "print \"Value of a = %d \"%(a)"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter values of a, b, c, d ,e: 12,90,56,43\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Value of a = 5095 \n"
+       ]
+      }
+     ],
+     "prompt_number": 8
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 3: Page No.:4.36"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Find out all arithmetic operation on two given values\n",
+      "\n",
+      "#Variable Declaration\n",
+      "sum=sub=mul=rem=0\n",
+      "div=0.0\n",
+      "a=0\n",
+      "#User Input\n",
+      "b,c,d=input(\"Enter the values of b, c, d: \")\n",
+      "\n",
+      "sum = b + c\n",
+      "sub = b - c\n",
+      "mul = b * c\n",
+      "div = b/c\n",
+      "rem = b % d\n",
+      "\n",
+      "print \"Sum = %d, Sub = %d, Mul = %d, Div = %f\"%(sum,sub,mul,div)\n",
+      "print \"Remainder of division of b & d is %d\"%(rem)\n",
+      "print \"a=%d\"%(a)"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter the values of b, c, d: 2,6,45\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Sum = 8, Sub = -4, Mul = 12, Div = 0.000000\n",
+        "Remainder of division of b & d is 2\n",
+        "a=0\n"
+       ]
+      }
+     ],
+     "prompt_number": 10
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 4: Page No.: 4.38"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Program to use various relational operators\n",
+      "\n",
+      "#!=,==,>=,<= are assignment operator\n",
+      "\n",
+      "print \"Condition :  Return values\"\n",
+      "print \"  5!=5    :  %5d\"%(5!=5)     \n",
+      "print \"  5==5    :  %5d\"%(5==5)\n",
+      "print \"  5>=5    :  %5d\"%(5>=5)\n",
+      "print \"  5<=5    :  %5d\"%(5<=50)\n",
+      "print \"  5!=3    :  %5d\"%(5!=3)"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Condition :  Return values\n",
+        "  5!=5    :      0\n",
+        "  5==5    :      1\n",
+        "  5>=5    :      1\n",
+        "  5<=5    :      1\n",
+        "  5!=3    :      1\n"
+       ]
+      }
+     ],
+     "prompt_number": 14
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5: Page No.:4.39"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "# Demonstrate of logical operator\n",
+      "\n",
+      "#Variable Declaration\n",
+      "c1=c2=c3=0\n",
+      "\n",
+      "#USer Input\n",
+      "c1,c2,c3=input(\"Enter Values of C1, C2 and C3: \")\n",
+      "print \"\\n\"\n",
+      "\n",
+      "if (c1<c2) and (c1<c3):\n",
+      "    print \"C1 is less than C2 and C3\"\n",
+      "\n",
+      "if not(c1) < (c2 ):\n",
+      "    print \"C1 is greater than C2\"\n",
+      "    \n",
+      "if ((c1 < c2 or c1 < c3)):\n",
+      "    print \"C1 is less than C2 or C3 or both\"\n",
+      "    \n",
+      "#else:\n",
+      " #   print \"Something went wrong. Check\"\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter Values of C1, C2 and C3: 45,32,98\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "\n",
+        "\n",
+        "C1 is greater than C2\n",
+        "C1 is less than C2 or C3 or both\n"
+       ]
+      }
+     ],
+     "prompt_number": 7
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 6: Page No.: 4.40"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Demonstration of assignment operator\n",
+      "\n",
+      "#Variable Declaration\n",
+      "i=4\n",
+      "j=5\n",
+      "\n",
+      "#'=' is assignment operator\n",
+      "i=j\n",
+      "k=i\n",
+      "\n",
+      "#Result\n",
+      "print \"K = %d\"%(k)"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "K = 5\n"
+       ]
+      }
+     ],
+     "prompt_number": 44
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 7: Page No.:4.42"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Program using Increment and Decrement Operator.\n",
+      "\n",
+      "#Variable Declaration\n",
+      "a=10\n",
+      "\n",
+      "#There is no post and pre increment in python\n",
+      "#There is no post and pre decrement in python\n",
+      "\n",
+      "#Result\n",
+      "print \"The Value of a = %d\"%(a)\n",
+      "print \"Increment of a = %d\"%(a+1)\n",
+      "print \"Decrement of a = %d\"%(a-1)"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The Value of a = 10\n",
+        "Increment of a = 11\n",
+        "Decrement of a = 9\n"
+       ]
+      }
+     ],
+     "prompt_number": 50
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 8: Page No.:4.42"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Program using increment and decrement operators\n",
+      "\n",
+      "#Variable Declaration\n",
+      "\n",
+      "i=3\n",
+      "j=4\n",
+      "\n",
+      "#No Pre Decrement and Pre Increment in python\n",
+      "\n",
+      "i=i+1                  #Increment value\n",
+      "j=j-1               #Decrement value\n",
+      "\n",
+      "k=i+j\n",
+      "\n",
+      "#Result\n",
+      "print \"i = %d, j = %d, k = %d\"%(i,j,k)"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "i = 4, j = 3, k = 7\n"
+       ]
+      }
+     ],
+     "prompt_number": 4
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 9: Page No.: 4.46"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Program to illustrate sizeof operator\n",
+      "\n",
+      "import sys\n",
+      "\n",
+      "num=int(1234567890)\n",
+      "dec=float(0.123456)\n",
+      "ext=0.123456789\n",
+      "ltr='A'\n",
+      "string=\"Something to write home about....\"\n",
+      "class struct():\n",
+      "    a=0\n",
+      "boy=struct()\n",
+      "\n",
+      "#Result\n",
+      "print \"Size of num is in %d bytes.\"%(sys.getsizeof(num))\n",
+      "print \"Size of dec is in %d bytes.\"%(sys.getsizeof(dec))\n",
+      "print \"Size of ext double is in %d bytes.\"%(sys.getsizeof(ext))\n",
+      "print \"Size of ltr char is in %d bytes.\"%(sys.getsizeof(ltr))\n",
+      "print \"Size of the string is in %d bytes.\"%(sys.getsizeof(string))\n",
+      "print \"Size of struct is in %d bytes.\"%(sys.getsizeof(struct()))"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Size of num is in 12 bytes.\n",
+        "Size of dec is in 16 bytes.\n",
+        "Size of ext double is in 16 bytes.\n",
+        "Size of ltr char is in 22 bytes.\n",
+        "Size of the string is in 54 bytes.\n",
+        "Size of struct is in 32 bytes.\n"
+       ]
+      }
+     ],
+     "prompt_number": 70
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Case Study 1: PageNo.:4.52"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Convert number of days to months and days\n",
+      "\n",
+      "#Variable Declaration\n",
+      "m=0\n",
+      "d=0\n",
+      "\n",
+      "#User Input\n",
+      "nd=input(\"Enter the number of days= \")\n",
+      "\n",
+      "\n",
+      "m=nd/30\n",
+      "d=nd%30\n",
+      "\n",
+      "#Result\n",
+      "print \"Number of months...\", m\n",
+      "print \"Number of days...\", d"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter the number of days= 215\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Number of months... 7\n",
+        "Number of days... 5\n"
+       ]
+      }
+     ],
+     "prompt_number": 74
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Case Study 2: Page No.:4.53"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Calculate Salesman Salary\n",
+      "\n",
+      "#Variable Declaration\n",
+      "BASIC=2500\n",
+      "BONUS_RATE=200\n",
+      "COM=0.02\n",
+      "\n",
+      "qty=0\n",
+      "GS=price=Bonus=Comm=0.0\n",
+      "#User input\n",
+      "qty,price=input(\"Enter the number of items Sold and Price...: \")\n",
+      "\n",
+      "Bonus=BONUS_RATE*qty\n",
+      "Comm=COM*qty*price\n",
+      "\n",
+      "GS=BASIC+Bonus+Comm\n",
+      "\n",
+      "print \"Bonus.... %6.2f\"%(Bonus)\n",
+      "\n",
+      "print \"Commission.... %6.2f\"%(Comm)\n",
+      "\n",
+      "print \"Gross Salary... %6.2f\"%(GS)\n",
+      "\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter the number of items Sold and Price...: 10,200\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Bonus.... 2000.00\n",
+        "Commission....  40.00\n",
+        "Gross Salary... 4540.00\n"
+       ]
+      }
+     ],
+     "prompt_number": 75
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Case Study 3: Page No.:4.54"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Post increment using different storage classes\n",
+      "\n",
+      "#Defining function\n",
+      "def postinc():\n",
+      "    x=1\n",
+      "    print \"X = %d\" %(x)\n",
+      "    x=x+1\n",
+      "    \n",
+      "#Call Function\n",
+      "postinc()\n",
+      "postinc()\n",
+      "postinc()"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "X = 1\n",
+        "X = 1\n",
+        "X = 1\n"
+       ]
+      }
+     ],
+     "prompt_number": 77
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
\ No newline at end of file