def are_items_sequential(self):
if self._my_map['<STR_LIT>'] is None:<EOL><INDENT>return self.get_assessment().are_items_sequential()<EOL><DEDENT>return bool(self._my_map['<STR_LIT>'])<EOL>
Tests if the items or parts in this assessment are taken sequentially.

        return: (boolean) - ``true`` if the items are taken
                sequentially, ``false`` if the items can be skipped and
                revisited
        *compliance: mandatory -- This method must be implemented.*