code: def get_word_level_vocab(self):
          
  
          def simple_tokenize(source_str, token_delim=' ', seq_delim='\n'):
              return list(filter(None, re.split(token_delim + '|' + seq_delim, source_str)))
  
          return VocabProvider._create_squad_vocab(simple_tokenize, self._dataset)
docs: Provides word level vocabulary
  
          Returns
          -------
          Vocab
              Word level vocabulary