DataFrame.reindex_axis()

pandas.DataFrame.reindex_axis

DataFrame.reindex_axis(labels, axis=0, method=None, level=None, copy=True, limit=None, fill_value=nan)

Conform input object to new index with optional filling logic, placing NA/NaN in locations having no value in the previous index. A new object is produced unless the new index is equivalent to the current one and copy=False

Parameters:

labels : array-like

New labels / index to conform to. Preferably an Index object to avoid duplicating data

axis : {0, 1, ‘index’, ‘columns’}

method : {None, ‘backfill’/’bfill’, ‘pad’/’ffill’, ‘nearest’}, optiona