Split list at index

Return prefix and suffix tuples at index k.

linked-list lists pointers

Implement `split_at(values: list, k: int) -> tuple[list, list]` splitting at index `k`.

Constraints

0 ≤ list lengths ≤ 10_000 unless noted.

Example

>>> split_at(...)
# see tests

22 points ~20 min

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Hints

Work on paper with a tiny list first.

Match the function signature exactly.

Test Results

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