input: 
  def convert_list_to_dict(items: List[int]) -> Dict[int, str]:
      """
      Convert a list of integers into a dictionary where each integer is the key 
      and its corresponding string representation is the value.
      
      >>> convert_list_to_dict([1, 2, 3, 4])
      {1: 'one', 2: 'two', 3: 'three', 4: 'four'}
      """
      return {item: str(item) for item in items}
  
  def print_dict_values(items: Dict[int, str]) -> None:
      """
      Print the values of a dictionary where each key is an integer and its value 
      is a string.
      
      >>> print_dict_values({1: 'one', 2: 'two', 3: 'three', 4: 'four'})
      one
      two
      three
      four
      """
      for key, value in items.items():
          print(value)
  
output:     
      result = {}
      for item in items:
          if item == 1:
              result[item] = 'one'
          elif item == 2:
              result[item] = 'two'
          elif item == 3:
              result[item] = 'three'
          elif item == 4:
              result[item] = 'four'
          else:
              result[item] = 'unknown'
      return result
  