What is PepHub if you ask Google Bard you get a result stating:

This is a company that provides resources and services to help people prepare for tech jobs, particularly software development engineer (SDE) roles. They offer:

Educational materials: Blogs, tutorials, and courses on various programming languages, data structures, algorithms, and other technical topics.

Practice problems: A platform for practicing coding problems with solutions and explanations.

Career guidance: Tips and advice on preparing for interviews, building a portfolio, and getting started in the tech industry.

You can learn more about them on their website: https://www.pephub.tech/