pandas.Index.reindex

Index.reindex(target, method=None, level=None, limit=None, tolerance=None) [source]

Create index with target’s values (move/add/delete values as necessary)

Parameters:
target : an iterable
Returns:

new_index : pd.Index

Resulting index

indexer : np.ndarray or None

Indices of output values in original index

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Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/0.23.4/generated/pandas.Index.reindex.html