save project

diy2.py

@@ -7,10 +7,10 @@ while True:
         print("登录成功!")
         break
        print("yongmi")
-    if name != username 
-        print("用")
-        continue
-    if password !=userpassword
+    elif name != username 
+        print("用户名不存在，请重新输入！")
+
+    else password !=userpassword
         print(密码错误!请重新输入")
 
 print("欢迎来到贝尔编程!")