code: def get_task_subtasks(self, task_id, completed=False):
          ''' Gets subtasks for task with given ID '''
          return subtasks_endpoint.get_task_subtasks(self, task_id, completed=completedf get_task_subtasks(self, task_id, completed=False):
          ''' Gets subtasks for task with given ID '''
          return subtasks_endpoint.get_task_subtasks(self, task_id, completed=completed)
docs: Gets subtasks for task with given ID