save project

diy2.py

-username = "
-"
+username = "0"
 userpassword = "123456"
 while True:
     name = input("请输入用户名:")
@@ -9,6 +8,7 @@ while True:
         break
     if name!=username:
         print("用户名错误")
+        continue
     if password!=userpassword:
         print("密码错误")