save project

diy2.py

 ue = "python"
 ur= "123456"
 while True:
-    NameError = input("请输入用户名:")
+    na= input("请输入用户名:")
     pa = input("请输入密码:")
     if na == ue and pa == ur:
         print("登录成功!")
         break
     if na != ue:
-        print("SB名字错了")
-    if pa !
+        print("名字错了")
+    if pa != ur:
+        print("密码错啦")
     print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
\ No newline at end of file