Implement permutation index equivalently to the reference
Implement permutation index equivalently to the reference: a task in repo2rlenv-equivalence-tests (Harbor dataset). Implement the function permutation index in /workspace/task module.py so that it is behaviorally equivalent to reference permutation index (which is already provided in task…
The task
Implement the function `permutation_index` in `/workspace/task_module.py` so that it is behaviorally equivalent to `reference_permutation_index` (which is already provided in `task_module.py`).