save project

diy2.py

@@ -3,7 +3,12 @@ userpassword = "123456"
 while True:
 while True:
     name = input("请输入用户名:")
     name = input("请输入用户名:")
     password = input("请输入密码:")
     password = input("请输入密码:")
-    if name == username and password == userpassword:
+    if name == username  and password == userpassword:
+        
         print("登录成功!")
         print("登录成功!")
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
+        print("欢迎来到贝尔编程!")
+        break
\ No newline at end of file
+    if name != username:
+    print("用户名错误!请重新输入")
+    if password == userpassword:
+    print("密码错误!请重新输入")