#!/usr/bin/python3
# -*- coding: utf-8 -*-
"""
Review of namespaces, global, nonlocal
"""


def scope_test() -> None:
    def do_local() -> None:
        thing = "local thing"

    def do_nonlocal() -> None:
        nonlocal thing
        thing = "nonlocal thing"

    def do_global() -> None:
        global thing
        thing = "global thing"

    thing = "enclosing thing"
    do_local()
    print("After local assignment:", thing)
    do_nonlocal()
    print("After nonlocal assignment:", thing)
    do_global()
    print("After global assignment:", thing)


scope_test()
print("In global scope:", thing)