pandas.Index.difference

Index.difference(other, sort=True)

Return a new Index with elements from the index that are not in other.

This is the set difference of two Index objects.

Parameters:

other : Index or array-like

sort : bool, default True

Sort the resulting index if possible

New in version 0.24.0.

Returns:

difference : Index

Examples

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