save project

diy2.py

@@ -8,6 +8,7 @@ while True:
         break
         break
     if name != username:
     if name != username:
         print("用户名错误")
         print("用户名错误")
+        continue
     if name != userpassword:
     if name != userpassword:
-        print("密码错误")    
+        print("密码错误")   
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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