Calculator Code in Python
# define function for addition def add ( x, y ): return x + y # define function for subtraction def subtract ( x, y ): return x - y # define function for multiplication def multiply ( x, y ): return x * y # define function for division def divide ( x, y ): return x / y # main program print ( "Select operation." ) print ( "1.Add" ) print ( "2.Subtract" ) print ( "3.Multiply" ) print ( "4.Divide" ) # take input from the user choice = input ( "Enter choice (1/2/3/4): " ) num1 = float ( input ( "Enter first number: " )) num2 = float ( input ( "Enter second number: " )) if choice == '1' : print (num1, "+" , num2, "=" , add(num1, num2)) elif choice == '2' : print (num1, "-" , num2, "=" , subtract(num1, num2)) elif choice == '3' : print (num1, "*" , num2, "=" , multiply(num1, nu...
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