save project

diy2.py

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