Week-2 assignment, Exercise-4, Having the problem

Hello dear mentors,
Here is am facing the problem in my assignment that i can not able to move forward with the assertion error week-2 assignment at exercise-4. I can not able to change the values also.

Hey @Hanumantha_Rao_Malap,
Welcome to the community. Here’s a thread to a similar query. If you still face an issue, feel free to reach out.