ENH: Implement MultiIndex.insert_level for inserting levels at specified positions #62610
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added 2 commits
October 7, 2025 20:43
- Implement insert_level method for MultiIndex to insert new levels at specified positions - Add comprehensive test cases for the new functionality - Fix level names handling to match expected behavior Resolves: MultiIndex level insertion feature request
- Implement insert_level method for MultiIndex to insert new levels at specified positions - Add comprehensive test cases for the new functionality - Fix level names handling to match expected behavior Resolves: MultiIndex level insertion feature request
Chiwendaiyue
changed the title
added 4 commits
October 7, 2025 21:57
- Implement insert_level method for MultiIndex to insert new levels at specified positions - Add comprehensive test cases for the new functionality - Fix level names handling to match expected behavior Resolves: MultiIndex level insertion feature request
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Adds
insert_levelmethod to MultiIndex for inserting new levels at specified positions.This addresses the feature request in issue #62558 for a simple way to add levels to MultiIndex at given positions.
insert_levelmethod inpandas/core/indexes/multi.pypandas/tests/indexes/multi/test_insert_level.pyidx = pd.MultiIndex.from_tuples([('A', 1), ('B', 2)])
result = idx.insert_level(1, 'new_level')