text: # -*- coding: utf-8 -*-
  """
  Created on Mon Aug 23 15:43:37 2021
  Py test example
  @author: Ashish
  """
  def calc_add(a,b):
      return a+b
  
  def calc_mult(a,b):
      return a*b
  
  # def calc_div(a,b):
  #     if(b/0):
  #         print("\n cannot divide by zero")
  #         exit()
  #     else:
  #         return a/b
      
  def calc_sub(a,b):
      return a-b
  
  
  