This will update the row values if the columns exist
        :param dict_: dict of values to update
        :return: None

def update(self, dict_):
        """
            This will update the row values if the columns exist
        :param dict_: dict of values to update
        :return: None
        """
        for key, value in dict_.items():
            index = self.column_index.get(key, None)
            if index is not None:
                list.__setitem__(self, index, value)