pandas.MultiIndex.swaplevel

MultiIndex.swaplevel(i=-2, j=-1)[source]

Swap level i with level j. Do not change the ordering of anything

Parameters:	i, j : int, string (can be mixed) Level of index to be swapped. Can pass level name as string.
Returns:	swapped : MultiIndex Changed in version 0.18.1: The indexes i and j are now optional, and default to the two innermost levels of the index.