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3.py

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diy.py

-# 古代测量臂力是靠不同重量的石锁，只能测整数哦。
-# 最小的石锁是30公斤最大的石锁是100公斤，注意输入的数字哦。
-# 请优化刚刚的代码，并增添交互效果，和自动输出最强三人信息的功能~
-
-# 问询处
-
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-# 归档处
-hero=['赵一',30,'丁二',37,'孙五',52,'王猛',89,'周亮',98,'张宇',100]
-for i in range(len(hero)):
-    if  and 
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-# 打印出臂力最强的三个人和他们对应的臂力值：
+list=["刘备",'张飞',"关羽"]
+list[1]="刘备"
+list[0]="张飞"
+a=["吕布","华雄","袁术","公孙瓒"]
+list.extend(a)
+print(list)
+print(list[:4])
+print(list[2:])
+print(list[:])
+print(list[2:6])
+print(list[:5])
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