Implement a Python generator function called unique iter(src, key=None) that yields elements from an…

Implement a Python generator function called unique iter(src, key=None) that yields elements from an…: a task in repo2rlenv-r2e (Harbor dataset). Behavior requirements: - src must be iterable; if it is not, raise a TypeError . - key controls how uniqueness is determined: - If key is None (the…