Complete code following the instructions, so that lines followed by
# expect-type-error (if any) fail type check, while others can pass.
Hit the "▶️ Run" button to see result.
"""TODO:Define a `Tree` type. `Tree` is a dictionary, whose keys are string, values are also `Tree`."""Tree = ...Stuck? Check out solution
xxxxxxxxxxdef f(t: Tree): passf({})f({"foo": {}})f({"foo": {"bar": {}}})f({"foo": {"bar": {"baz": {}}}})f(1) # expect-type-errorf({"foo": []}) # expect-type-errorf({"foo": {1: {}}}) # expect-type-error