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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def subscribe(self, handler: LutronEventHandler, context):
 """Subscribes to events from this entity. handler: A callable object that takes the following arguments (in order) obj: the LutrongEntity object that generated the event context: user-supplied (to subscribe()) context object event: the LutronEvent that was generated. params: a dict of event-specific parameters context: User-supplied, opaque object that will be passed to handler. """

    self._subscribers.append((handler, context))