pandas.DataFrame.reorder_levels

DataFrame.reorder_levels(order, axis=0)[source]

Rearrange index levels using input order. May not drop or duplicate levels.

Parameters
order:list of int or list of str

List representing new level order. Reference level by number (position) or by key (label).

axis:{0 or ‘index’, 1 or ‘columns’}, default 0

Where to reorder levels.

Returns
DataFrame

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https://pandas.pydata.org/pandas-docs/version/1.3.4/reference/api/pandas.DataFrame.reorder_levels.html