<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def top_charts_genres(self):
 		"""Get a listing of genres from the browse top charts tab."""


		response = self._call(mc_calls.BrowseTopChartGenres)
		top_chart_genres = response.body.get('genres', [])

		return top_chart_genres