save project

diy.py

-b=["曹操","司马懿","孙权","周瑜","赵云"]
-b.pop(3)
+b=["华雄"]
+b.insert(1,"关羽")
 print(b)
 print(b)
-b.pop(-2)
+b.append("颜良")
 print(b)
 print(b)
-b.remove("曹操")
+a=["文丑","袁术"]
+b.extend(a)
 print(b)
 print(b)
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