save project

diy2.py

@@ -3,12 +3,13 @@ userpassword = "123456"
 while True:
     name = input("请输入用户名:")
     password = input("请输入密码:")
-   if  name!=username:
-       input("用户名错误!请重新输入")
-   if password!=userpassword:
-       input("密码错误!请重新输入")
+    if  name!=username and password != userpassword:
+        print("用户名和密码都错误!请重新输入")
+    elif name!=username:
+        print("用户名错误!请重新输入:")
+    elif password!=userpassword:
+        print("密码错误!请重新输入:")
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    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