code: def omit(dct, *keys):
      
      copy = dict()
      for key in dct:
          if key not in keys:
              copy[key] = dct[key]
      return copy
docs: Returns a copy of the dictionary filtered to omit the blacklisted keys
          (or list of keys)
  
          >>> omit({"name": "moe", "age": 50, "userid": "moe1"}, "userid", "age")
          {'name': 'moe'}