def reset(self):
    """
    Fully rewinds the timer and makes the timer active, such that
    the expire and update commands will be called when appropriate.
    """
    self.counter = 0
    self.active = True

    Fully rewinds the timer and makes the timer active, such that
    the expire and update commands will be called when appropriate.
    
recipes/Python/464959_Resettable_Timer_Class/recipe-464959.py