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diy.py

-# 和你的小伙伴用列表讲讲桃园结义的故事，并说说这其中运用了哪些列表知识：
-# 来，我给你起个头~
-# 从前啊，有三个bro，分别是：刘备、关羽、张飞...
-bro1="关羽"
-bro2="刘备"
-bro3="张飞"
-bros=["刘备","关羽","张飞"]
-bro1=["关羽",160,8.5]
-bro2=["刘备",161,9.1]
-bro3=["张飞",166,8.3]
-bros[0]="关羽"
-bros[1]="刘备"
-print(bros)
+sd="刘强"
+ssd=66
+sb=["赵一",30,"丁二",37,"孙武",52,"王蒙",89,"周亮",98]
+for i in range(len(sb)):
+    if i%2==1 and sb[i]>=ssd:
+        sb.insert(i-1,sd)
+        sb.insert(i,ssd)
+        break
+print(sb)
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