DataFrame.reindex_axis()
pandas.DataFrame.reindex_axis
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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