1"""
2categories: Modules,builtins
3description: Second argument to next() is not implemented
4cause: MicroPython is optimised for code space.
5workaround: Instead of ``val = next(it, deflt)`` use::
6
7    try:
8        val = next(it)
9    except StopIteration:
10        val = deflt
11"""
12print(next(iter(range(0)), 42))
13