<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def remove(self, word):
 """ Remove a word from the word frequency list Args: word (str):
 The word to remove """

        self._dictionary.pop(word.lower())
        self._update_dictionary()