input: from typing import Tuple
  
  def swap_variables(x: int, y: int) -> Tuple[int, int]:
      """ Swaps the values of two variables and returns the swapped values.
      >>> swap_variables(5, 10)
      (10, 5)
      >>> swap_variables(100, 200)
      (200, 100)
      """
      x, y = y, x
      return x, y
output:     x, y = y, x
      return x, y