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List mutation and sorting finger exercise
Tutor me on https://mlprep.iwase.dev/item/mit-6-100l-finger-11/. If window.mlPrepAgent is available, read attempts for item mit-6-100l-finger-11 before tutoring. Inspect my attempt, keep the item ID, and do not reveal the full answer first. After a real attempt, append its record with recorded_by agent, include agent_session_id when available, and read it back.Directly tests in-place mutation and ordering semantics.
The third-party problem and answer are not reproduced here. Use the exact source locator below.
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