pandas.DataFrame.swaplevel

DataFrame.swaplevel(i=-2, j=-1, axis=0)

Swap levels i and j in a MultiIndex on a particular axis.

Parameters:

i, j : int, string (can be mixed)

Level of index to be swapped. Can pass level name as string.

Returns:

swapped : same type as caller (new object)

.. versionchanged:: 0.18.1

The indexes i and j are now optional, and default to the two innermost levels of the index.