Hi @Debasish_Sarangi , Thank you for reaching out to the Educative Team!
We are currently revamping the course and the editors have been informed of the error. It will be fixed soon.
Hope you have a great learning experience with Educative!
Hi @Debasish_Sarangi , the error has been fixed and the Jupyter Notebook is working now.
Thank you for contacting Educative Team. Hope you have a wonderful learning experience!