text: def calc(n1 ,op ,n2):
      result = 0
      if op == '+':
          result = n1 + n2
      elif op == '-':
          result = n1 - n2
      elif op == '*':
          result = n1 * n2
      elif op == '/':
          result = n1 / n2
      else:
          result = 0
      return result
  
  num1 = input('Input num1...')
  num2 = input('Input num2...')
  op = input('Input op...')
  
  data = calc(int(num1), op , int(num2))
  print(data)