Write a Python generator function called duplicates everseen that takes an iterable and an optional key…
Write a Python generator function called duplicates everseen that takes an iterable and an optional key…: a task in repo2rlenv-r2e (Harbor dataset). Behavior requirements: - Track which elements (or key-transformed values) have been seen so far as the iterable is consumed. - For each element…
The task
Behavior requirements: - Track which elements (or key-transformed values) have been seen so far as the iterable is consumed. - For each element, compute its identity as `key(element)` if a key is provided, otherwise as the element itself. - The first occurrence of any identity value is recorded but NOT yielded. -…
Part of FineEnvs/repo2rlenv-r2e.