input: from typing import Tuple, Union
  
  def return_multiple_values() -> Tuple[str, int]:
      """ Demonstrates multiple ways to return multiple values from a Python function.
      >>> values = return_multiple_values()
      >>> values
      ('ABC', 123)
      >>> value1, value2 = return_multiple_values()
      >>> value1
      'ABC'
      >>> value2
      123
      """
      value1 = "ABC"
      value2 = 123
      return value1, value2
output:     value1 = "ABC"
      value2 = 123
      return value1, value2