save project

diy2.py

@@ -6,8 +6,9 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    if name!=username
+    if name != username:
         print("用户名错误!请重新输入")
-    if password!=userpassword
+        continue
+    if password!=userpassword:
         print('密码错误!请重新输入')
 print("欢迎来到贝尔编程!")