code: def time_series_loc(self):
      self.series.loc[self.period]
  
imports: from pandas import DataFrame, Period, PeriodIndex, Series, date_range, period_range
  from pandas.tseries.frequencies import to_offset
label_desc: Use image node_id 4 for calling the Indexing obj's underlying member method code with example usage: obj.time_series_loc() without return types