save project

diy2.py

@@ -10,6 +10,7 @@ while True:
         print("用户名错误")
         print("用户名错误")
     elif password != userpassword:
     elif password != userpassword:
         print("密码错误")
         print("密码错误")
+        continue
     else:
     else:
         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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