a=999

b=99999

def test1():

    a=888

    b=88888

    print('a={}'.format(a))

    print('b={}'.format(b))

    def test2():

        global a

        print('a={}'.format(a))

        a+=1

        print('a={}'.format(a))

        nonlocal b

        b+=1

        print('b={}'.format(b))

        print(globals())

        print(locals())

    test2()

    print(globals())

    print(locals())

test1()

print('b={}'.format(b))

print(globals())

print(locals())

a=888

b=88888

a=999

a=1000

b=88889

{'__name__': '__main__', '__doc__': None, '__package__': None, '__loader__': <_frozen_importlib_external.SourceFileLoader object at 0x0000011762666FD0>, '__spec__': None, '__annotations__': {}, '__builtins__': <module 'builtins' (built-in)>, '__file__': 'H:/py/day12.py', '__cached__': None, 'a': 1000, 'b': 99999, 'test1': <function test1 at 0x000001176261C1E0>}

{'b': 88889}

{'__name__': '__main__', '__doc__': None, '__package__': None, '__loader__': <_frozen_importlib_external.SourceFileLoader object at 0x0000011762666FD0>, '__spec__': None, '__annotations__': {}, '__builtins__': <module 'builtins' (built-in)>, '__file__': 'H:/py/day12.py', '__cached__': None, 'a': 1000, 'b': 99999, 'test1': <function test1 at 0x000001176261C1E0>}

{'a': 888, 'test2': <function test1.<locals>.test2 at 0x000001176295A378>, 'b': 88889}

b=99999

{'__name__': '__main__', '__doc__': None, '__package__': None, '__loader__': <_frozen_importlib_external.SourceFileLoader object at 0x0000011762666FD0>, '__spec__': None, '__annotations__': {}, '__builtins__': <module 'builtins' (built-in)>, '__file__': 'H:/py/day12.py', '__cached__': None, 'a': 1000, 'b': 99999, 'test1': <function test1 at 0x000001176261C1E0>}

{'__name__': '__main__', '__doc__': None, '__package__': None, '__loader__': <_frozen_importlib_external.SourceFileLoader object at 0x0000011762666FD0>, '__spec__': None, '__annotations__': {}, '__builtins__': <module 'builtins' (built-in)>, '__file__': 'H:/py/day12.py', '__cached__': None, 'a': 1000, 'b': 99999, 'test1': <function test1 at 0x000001176261C1E0>}

Process finished with exit code 0