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pandas.MultiIndex.from_product — pandas 3.0.0.dev0+2231.g4f2aa4d2be documentation

classmethod MultiIndex.from_product(iterables, sortorder=None, names=<no_default>)[source]#

Make a MultiIndex from the cartesian product of multiple iterables.

Parameters:

iterableslist / sequence of iterables

Each iterable has unique labels for each level of the index.

sortorderint or None

Level of sortedness (must be lexicographically sorted by that level).

nameslist / sequence of str, optional

Names for the levels in the index. If not explicitly provided, names will be inferred from the elements of iterables if an element has a name attribute.

Returns:

MultiIndex

Examples

>>> numbers = [0, 1, 2]
>>> colors = ["green", "purple"]
>>> pd.MultiIndex.from_product([numbers, colors], names=["number", "color"])
MultiIndex([(0,  'green'),
            (0, 'purple'),
            (1,  'green'),
            (1, 'purple'),
            (2,  'green'),
            (2, 'purple')],
           names=['number', 'color'])

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