def aaa():
    print('aaa')
    global a
    a = bbb


def bbb():
    print('bbb')


if __name__ == '__main__':
    aaa()
    a()  # <- 这里的 `a()` 将无法被识别到.

def aaa():
    print('aaa')


eval('aaa()')  # <- 这里的 `aaa()` 将无法被识别到.

from random import randint


def aaa():
    pass


def bbb():
    pass


adict = {0: aaa, 1: bbb}
rnd = randint(0, 1)
method = adict.get(rnd)()  # <- 这里的函数调用事件无法被识别到.

def aaa(*data):
    print(data[0]())  # <- data[0] 无法被关联到 bbb 函数.


def bbb():
    pass


aaa(bbb)