save project

1.py

-name=input("请输入用户名")
-password = input("请输入密码")
 username = "python"
 username = "python"
 userpassword="123456"
 userpassword="123456"
-if name==username and password==userpassword:
-    print("登陆成功")
+while True:
+    name=input("请输入用户名")
\ No newline at end of file
+    password = input("请输入密码")
+    if name==username and password==userpassword:
+        print("登陆成功")
+        break
+    print("用户名或密码错误，请重新登陆！")
+print("欢迎来到贝尔编程！")