任务5：Python（二）
10
分
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任务讨论
1.L=[1,1.3,"2","China",["I","am","another","list"],"Hello World!"]]
L=[1,1.3,"2","China",["I","am","another","list"]
L=[1,"2",["I","am","another","list"]]
L=[]
L=[]
L=[["I","am","another","list"],"China","2",1.3]
2.
