save project

diy2.py

@@ -10,7 +10,8 @@ while True:
         print("用户名错误")
     continue
     if password!=userpassword:
+       print("密码错误")
     continue    
-       print("密码错误")      
+
     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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