parameters: (self)
return_statement: return len(self.levels)
docstring: Integer number of levels in this MultiIndex.
docstring_summary: Integer number of levels in this MultiIndex.
docstring_tokens: Integer number of levels in this MultiIndex .
function: def nlevels(self):
          """Integer number of levels in this MultiIndex."""
          return len(self.levels)
function_tokens: def nlevels ( self ) : return len ( self . levels )