old_contents: '''
   Author      : DORIAN JAVA BROWN
   Version     : N/A
   Copyright   : All Rights Reserve; You may use, distribute and modify this code.
   Description : This is a simple calculator that can add, subtract, multiply and divide using functions 
   '''
  
  
  
  '''functions definitions'''
  
  
  
  
  
  def calculate():
  
    # operation selection from the user
    print('Please type in the math operation you would like to complete:')
    print('-------------------------------------------------------------')
    print('+ for addition')
    print('- for subtraction')
    print('* for multiplication')
    print('/ for division')
    print('\ for modulus')
    print('\n\n')
  
    operation = input('Enter Operation symbol: ')
  
    num1 = int(input("Enter first number: "))
    num2 = int(input("Enter second number: "))
  
    if operation == '+' :
      print(' {} + {} = ' + (num1 + num2)').format(num1,num2)
      
    elif operation == '-' :
    
    elif operation == '*' :
      
    elif operation == '/' :
    
    elif operation == '\' :
      
    else :
    
    # addition
  
    # subtraction
  
    # multiplication 
  
    # divison
new_contents: '''
   Author      : DORIAN JAVA BROWN
   Version     : N/A
   Copyright   : All Rights Reserve; You may use, distribute and modify this code.
   Description : This is a simple calculator that can add, subtract, multiply and divide using functions 
   '''
  
  
  
  '''functions definitions'''
  
  
  
  
  def calculate():
  
    # operation selection from the user
    print('\n\n')
    print('\t\t\tOperation Selection')
    print('-------------------------------------------------------------')
    print('+ for addition')
    print('- for subtraction')
    print('* for multiplication')
    print('/ for division')
    print('\ for modulus')
    print('\n\n')
  
    operation = raw_input('Enter Operation symbol: ')
  
    num1 = int(raw_input('\nEnter first number  : '))
    num2 = int(raw_input('\nEnter second number : '))
  
    if operation == '+':
      print("\n\n")
      print('ANSWER:  {} + {} = '.format(num1,num2) + str(num1 + num2))
      print("\n\n")
      
      
    ''' elif operation == '-' :
    
    elif operation == '*' :
      
    elif operation == '/' :
    
    elif operation == '\' :
      
    else :
    
    # addition
  
    # subtraction
  
    # multiplication 
  
    # divison
    
    '''
    
    
    
  calculate()
subject: Update Addition