code: def vectorize(self, token_list):
          '''
          Tokenize token list.
          
          Args:
              token_list:   The list of tokens..
          
          Returns:
              [vector of token, vector of token, vector of token, ...]
          '''
          vector_list = [self.__collection.tf_idf(token, self.__collection) for token in token_list]
          return vector_lisf vectorize(self, token_list):
          '''
          Tokenize token list.
          
          Args:
              token_list:   The list of tokens..
          
          Returns:
              [vector of token, vector of token, vector of token, ...]
          '''
          vector_list = [self.__collection.tf_idf(token, self.__collection) for token in token_list]
          return vector_list
docs: Tokenize token list.
          
          Args:
              token_list:   The list of tokens..
          
          Returns:
              [vector of token, vector of token, vector of token, ...]