save project

diy1.py

@@ -9,9 +9,8 @@ while True:
     if name==username and lbl==userpassword:
         print("已登录")
         break
-    if name!=username:
+    elif name!=username:
         print("没有账号")
-        continue
-    if lbl!=userpassword:
+    else :
         print("密码错误")
 print("欢迎来到")