save project

diy2.py

@@ -8,7 +8,9 @@ while True:
         break
     if name != username：
         print('用户名错误')
-    if password != userpassword:
+        continue
+     if password != userpassword:
         print('密码错误')
+        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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