save project

diy1.py

-username = "man"
-userpassword = "2019223"
-while True:
-    name = input("请输入用户名")
-    password = input("请输入密码")
-    if name==username and password==userpassword:
-        print("登陆成功")
-        break
-    print("登陆失败")
-print("欢迎回来，牢大")
\ No newline at end of file
+a=['华雄']
+a.append("关羽")
+a.insert(1,"张飞")
+y=["赵云","吕布"]
+a.extend(y)
+print(a)
\ No newline at end of file