input: from typing import List
  
  def shuffle_list(list: List[int]) -> List[int]:
      """Shuffle a given list in Python.
      >>> shuffle_list([1, 2, 3, 4, 5])
      [3, 1, 5, 2, 4]
      >>> shuffle_list([10, 20, 30])
      [20, 30, 10]
      """
output:     import random
      random.shuffle(list)
      return list