code: def tail(self, n=5):
          
          # not computing slice here to use with __getitem__ because we'd need to use len which is eager
          return MultiIndex([v.tail(n) for v in self.values], self.names)
docs: Return MultiIndex with the last n values in each column.
  
          Parameters
          ----------
          n : int
              Number of values.
  
          Returns
          -------
          MultiIndex
              MultiIndex containing the last n values in each column.