save project

aoo.py

 bro1=["苹果","香蕉","梨"]
 bro1=["苹果","香蕉","梨"]
 print(bro1[1])
 print(bro1[1])
 bro1[2]="陈子"
 bro1[2]="陈子"
+bro1.pop(-3)
+print(bro1)
+bro1.append('火龙果')
+bro2=['新元','欧元','美元','法郎','英镑']
+bro1.extend(bro1)
+print(bro1[2:5])
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