save project

diy1.py

@@ -6,10 +6,9 @@ while Ture:
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登陆成功")
         print("登陆成功")
         break
         break
-    if name!=username:
+    elif name!=username:
         print("用户名不存在，请重新输入！")
         print("用户名不存在，请重新输入！")
-        continue
-    if password!=userpassword:
+    else password!=userpassword:
         print("用密码错误！请重新输入")
         print("用密码错误！请重新输入")
 print("欢迎来到贝尔编程！")
 print("欢迎来到贝尔编程！")