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

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


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).


is_contained : ndarray (boolean dtype)


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.
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