input: def return_multiple_values() -> (str, int):
      """ Examples for how to return two values from a Python function.
      >>> value1, value2 = return_multiple_values()
      >>> print(value1, value2)
      ABC 123
      """
      value1 = "ABC"
      value2 = 123
      return value1, value2
output:     value1 = "ABC"
      value2 = 123
      return value1, value2