input: def sortDictionary(dictionary):
      sorted_list = sorted(dictionary.items(), key=lambda x: x[1], reverse=True)
      sorted_dictionary = dict(sorted_list)
      return sorted_dictionary
  
  """
  >>> sortDictionary({'apple': 2, 'banana': 3, 'mango': 1})
  {'banana': 3, 'apple': 2, 'mango': 1}
  """
output:     sorted_list = sorted(dictionary.items(), key=lambda x: x[1], reverse=True)
      sorted_dictionary = dict(sorted_list)
      return sorted_dictionary