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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 playlist_subscribe(self, playlist):
 		"""Subscribe to a public playlist. 		Parameters: 			playlist (dict):
 A public playlist dict. 		Returns: 			dict: Playlist information. 		"""


		mutation = mc_calls.PlaylistBatch.create(
			playlist['name'],
			playlist['description'],
			'SHARED',
			owner_name=playlist.get('ownerName', ''),
			share_token=playlist['shareToken']
		)

		response_body = self._call(
			mc_calls.PlaylistBatch,
			mutation
		).body

		playlist_id = response_body['mutate_response'][0]['id']

		return self.playlist(playlist_id)