pandas.MultiIndex.union
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MultiIndex.union(other)[source] Form the union of two MultiIndex objects, sorting if possible
Parameters: other : MultiIndex or array / Index of tuples
Returns: Index
>>> index.union(index2)
MultiIndex.union(other)[source]Form the union of two MultiIndex objects, sorting if possible
| Parameters: | other : MultiIndex or array / Index of tuples |
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| Returns: | Index >>> index.union(index2)
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