input: from typing import Dict
  
  def print_values(items: Dict[int, str]) -> None:
      """ Given a dictionary where keys are numbers and values are strings, 
      print all the values.
      >>> print_values({1: 'one', 2: 'two', 3: 'three', 4: 'four'})
      one
      two
      three
      four
      """
output:     for value in items.values():
          print(value)