pandas.Index.isin

Index.isin(values, level=None) [source]

Compute boolean array of whether each index value is found in the passed set of values.

Parameters:	values : set or list-like Sought values. New in version 0.18.1. Support for values as a set level : str or int, optional Name or position of the index level to use (if the index is a MultiIndex).
Returns:	is_contained : ndarray (boolean dtype)

Notes

If level is specified:

• if it is the name of one and only one index level, use that level;
• otherwise it should be a number indicating level position.