save project

diy2.py

@@ -5,10 +5,11 @@ while True:
     password = input("请输入密码:")
     password = input("请输入密码:")
     if username != name:
     if username != name:
         print("账号错误")
         print("账号错误")
-    if password != userpassword:
+    elif password != userpassword:
         print("密码错误")
         print("密码错误")
-    if name == username and password == userpassword:
+    else:
+        
         print("登录成功!")
         print("登录成功!")
-        break
+        
     print("用户名和密码错误!请重新输入")
     print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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