save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
-while name == username and password == userpassword:
+while True:
     name = input("请输入用户名:")
     name = input("请输入用户名:")
     if username != name:
     if username != name:
         print("用户名错误!请重新输入")
         print("用户名错误!请重新输入")
-    elif password != userpassword:
+        name = input("请输入用户名:")
+    else:
+        password = input("请输入密码:")
+    if password != userpassword:
         print("密码错误!请重新输入")
         print("密码错误!请重新输入")
         password = input("请输入密码:")
         password = input("请输入密码:")
+    elif username == name:
+        break
 print("登录成功!")
 print("登录成功!")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file