save project

diy2.py

-username = "蔡徐坤"
-userpassword = "鸡你太美"
-while True:
-    name = input("请输入用户名:")
-    password = input("请输入鸡~:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break
-    if name!=username:
-        print("鸡~不存在")
+students=['悟空','小贝','八戒','波奇']
+students.remove('八戒')
+print(students)
+students.append('诺依')
+print(students)
+red=students[0:2]
+biue=students[2:4]
+print(red)
+print(biue)
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-        continue
-    if password!=userpassword:
-        print("你干嘛，哦噢~~~")
-        continue
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
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