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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 api_list(cls, api_key=djstripe_settings.STRIPE_SECRET_KEY, **kwargs):
 		""" 		Call the stripe API's list operation for this model. 		:param api_key: The api key to use for this request. Defaults to djstripe_settings.STRIPE_SECRET_KEY. 		:type api_key: string 		See Stripe documentation for accepted kwargs for each object. 		:returns: an iterator over all items in the query 		"""


		return cls.stripe_class.list(api_key=api_key, **kwargs).auto_paging_iter()