Drop the tail node

Return a new list without the last node.

linked-list lists pointers

Implement `drop_tail(values: list) -> list` removing the tail node from a copy.

Constraints: 0 ≤ list lengths ≤ 10_000 unless noted.

Constraints

0 ≤ list lengths ≤ 10_000 unless noted.

Example

>>> drop_tail(...)
# see tests

35 points ~30 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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