save project

diy2.py

@@ -10,6 +10,8 @@ while True:
         continue
     if name == username and password != userpassword: 
         print("密码错误")
+    if name == username and password == userpassword:
+        print("登录成功!")   
         break
     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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