text: """
  Simple math operating functions for unit test
  """
  
  
  def add(a, b):
      """
      Adding to parameters and return result
      :param a:
      :param b:
      :return:
      """
      return a + b
  
  
  def minus(a, b):
      """
      subtraction
      :param a:
      :param b:
      :return:
      """
      return a - b
  
  
  def multi(a, b):
      """
      multiple
      :param a:
      :param b:
      :return:
      """
      return a * b
  
  
  def divide(a, b):
      """
      division
      :param a:
      :param b:
      :return:
      """
      return a // b
  