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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 list_cache_settings(self, service_id, version_number):
 		"""Get a list of all cache settings for a particular service and version."""

		content = self._fetch("/service/%s/version/%d/cache_settings" % (service_id, version_number))
		return map(lambda x: FastlyCacheSettings(self, x), content)