Function test2

src/9/executing_code_with_local_side_effects/example.py:13–19

()

    print(x)      # --> 0

def test2():
    x = 0
    loc = locals()
    print('before:', loc)
    exec('x += 1')
    print('after:', loc)
    print('x =', x)

def test3():
    x = 0