auto save

diy2.py

+user请输入密码:")
+    if name == username and password: 
+        eles:
+        print("登录成功!")       
+print("欢迎来到贝尔编程!")
+    print("用户名和密码错误!请重新输入")name = "python"
+userpassword = "123456"
+while True:123456
+    name = input("请输入用户名:")
+    password = input("
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