Test your knowledge: Python Asynchronous Iteration

Review

1. Which pair of methods defines the core asynchronous iterator protocol?

   Asynchronous iteration uses __aiter__() to obtain an asynchronous iterator and __anext__() to request its next value.
2. What does async for do with each next value?

   async for drives the asynchronous iterator by awaiting its next-value operation.
3. What does aiter(obj) return?

   aiter() gets the asynchronous iterator from an asynchronous iterable.
4. What happens when await anext(iterator, "done") reaches an exhausted iterator?

   The two-argument anext() form produces the supplied default when the asynchronous iterator is exhausted.
5. Which exception signals normal exhaustion of an asynchronous iterator?

   StopAsyncIteration is the normal termination signal for asynchronous iteration.