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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 browse_stations_categories(self):
 		"""Get the categories from Browse Stations. 		Returns: 			list: Station categories that can contain subcategories. 		"""


		response = self._call(
			mc_calls.BrowseStationCategories
		)
		station_categories = response.body.get('root', {}).get('subcategories', [])

		return station_categories