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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 handler_all(func=None):
 	""" 	Decorator that registers a function as a webhook handler for ALL webhook events. 	Handles all webhooks regardless of event type or sub-type. 	"""

	if not func:
		return functools.partial(handler_all)

	registrations_global.append(func)

	return func