How do I change order/grouping/level of pandas MultiIndex columns?

Question

I\'m trying to reorder/swaplevel/pivot/something columns in a pandas dataframe. The columns are a MultiIndex, but I can\'t find the sauce to do what I want.

The fastest

Answer 1

Since levels indices are no more mandatory you can have even more simple way to achieve the level swapping of multi-index dataframe:

df = df.swaplevel(axis='columns')