input: def replace_list_with_dictionary(items: list) -> dict:
      """
      Replace the given list with a dictionary where each element in the list is the key,
      and its value is a string representing the word form of the number.
  
      >>> replace_list_with_dictionary([1, 2, 3, 4])
      {1: 'one', 2: 'two', 3: 'three', 4: 'four'}
      """
      
      number_to_word = {1: 'one', 2: 'two', 3: 'three', 4: 'four'}
      return {item: number_to_word[item] for item in items}
output:     number_to_word = {1: 'one', 2: 'two', 3: 'three', 4: 'four'}
      return {item: number_to_word[item] for item in items}