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