save project

1.py

+username="python"
+userpassword="123456"
+while True:
+    name=input("输入账号：")
+    password=input("输入密码:")
+    if username==name and password==userpassword:
+        print("登陆成功")
+        break
+    print("请重新输入：")
+print("欢迎来到贝尔编程")
\ No newline at end of file