parameters: (self)
return_statement: return self._is_sorted(
              ascending=[False] * len(self.levels), null_position=None
          )
docstring: Return if the index is monotonic decreasing
          (only equal or decreasing) values.
docstring_summary: Return if the index is monotonic decreasing
          (only equal or decreasing) values.
docstring_tokens: Return if the index is monotonic decreasing ( only equal or decreasing ) values .
function: def is_monotonic_decreasing(self):
          """
          Return if the index is monotonic decreasing
          (only equal or decreasing) values.
          """
          return self._is_sorted(
              ascending=[False] * len(self.levels), null_position=None
          )
function_tokens: def is_monotonic_decreasing ( self ) : return self . _is_sorted ( ascending = [ False ] * len ( self . levels ) , null_position = None )