<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _save(self):
 """Saves the current state of this AssessmentTaken. Should be called every time the sections map changes. """

        collection = JSONClientValidated('assessment',
                                         collection='AssessmentTaken',
                                         runtime=self._runtime)
        collection.save(self._my_map)