<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def reset(self):
 """Resets the environment, and returns the state. If it is a single agent environment, it returns that state for that agent. Otherwise, it returns a dict from agent name to state. Returns: tuple or dict: For single agent environment, returns the same as `step`. For multi-agent environment, returns the same as `tick`. """

        self._reset_ptr[0] = True
        self._commands.clear()

        for _ in range(self._pre_start_steps + 1):
            self.tick()

        return self._default_state_fn()