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pandas.Index.intersection

final Index. intersection ( other, sort=False ) [source]

Form the intersection of two Index objects.

This returns a new Index with elements common to the index and other.

Parameters
other :Index or array-like
sort :False or None, default False

Whether to sort the resulting index.

  • False : do not sort the result.

  • None : sort the result, except when self and other are equal or when the values cannot be compared.

Returns
intersection :Index

Examples

>>> idx1 = pd.Index([1, 2, 3, 4])
>>> idx2 = pd.Index([3, 4, 5, 6])
>>> idx1.intersection(idx2)
Int64Index([3, 4], dtype='int64')

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https://pandas.pydata.org/pandas-docs/version/1.4.0/reference/api/pandas.Index.intersection.html