pandas.MultiIndex.append#
- MultiIndex.append(other)[source]#
 Append a collection of Index options together.
- Parameters:
 - otherIndex or list/tuple of indices
 
- Returns:
 - Index
 The combined index.
Examples
>>> mi = pd.MultiIndex.from_arrays([['a'], ['b']]) >>> mi MultiIndex([('a', 'b')], ) >>> mi.append(mi) MultiIndex([('a', 'b'), ('a', 'b')], )