save project

diy2.py

@@ -8,6 +8,7 @@ while True:
         break
         break
     elif name!= username:
     elif name!= username:
         print("用户名错误!请重新输入")
         print("用户名错误!请重新输入")
+        continue
     elif password!=userpassword:
     elif password!=userpassword:
         print("密码错误!请重新输入")
         print("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!")