8-[函數]-嵌套函數，匿名函數，高階函數

1.嵌套函數 　　（1）多層函數套用 name = "Alex" def change_name(): name = "Alex2" def change_name2(): name = "Alex3" print("第3層打印", name) change_name2() # 調用內層函數 print("第2層打印", na

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