save project

a.py

+import time
+username="python"
+userpassword="123456"
+while True:
+    name=input("账号：")
+    password=input("密码：")
+    if name==username and userpassword==password:
+        print("登录成功")
+        time.sleep(1)
+        break
+    else:
+        print("登陆失败")
+print("欢迎来到贝尔编程")
\ No newline at end of file