pandas.MultiIndex.droplevel

MultiIndex.droplevel(level=0) [source]

Return Index with requested level removed. If MultiIndex has only 2 levels, the result will be of Index type not MultiIndex.

Parameters: level : int/level name or list thereof
Returns: index : Index or MultiIndex

Notes

Does not check if result index is unique or not

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https://pandas.pydata.org/pandas-docs/version/0.22.0/generated/pandas.MultiIndex.droplevel.html