input: def return_multiple_values():
      """
      Demonstrates how to return multiple values from a Python function using a tuple and multiple return statements.
      
      >>> result1, result2 = return_multiple_values()
      >>> print(result1, result2)
      ABC 123
      """
      value1 = "ABC"
      value2 = 123
      return value1, value2
output:     value1 = "ABC"
      value2 = 123
      return value1, value2