save project

diy1.py

@@ -7,9 +7,9 @@ while True:
     if a==username and b==userpassword:
         print("登录成功")
         break
-    if a!==username:
+    if a!=username:
         print("输入的账号错误！请重新输入账号")
-    if b!==userpassword:
+    if b!=userpassword:
         print("输入的密码错误！请重新输入密码")