new_contents: #!/usr/bin/env python
  """
  NPR 2017-12-24
  https://www.npr.org/2017/12/24/572833897/sunday-puzzle-initially-you-might-be-right-but-its-time-to-switch-it-up
  
  The name of what well-known U.S. city, in 10 letters, contains only three different letters of the alphabet?
  """
  #%%
  from nltk.corpus import wordnet as wn
  
  for l in wn.all_lemma_names():
      l2 = l.replace('_','').lower()
      if len(l2) == 10 and len(set(l2)) == 3:
          syns = wn.synsets(l)
          for syn in syns:
              d = syn.definition()
              if 'city' in d or 'town' in d:
                  print l
subject: Add solution for 2017-12-24