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

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

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

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

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.

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