This workshop introduces undergraduate students to computational techniques in cosmology and high-energy physics, focusing on hands-on coding, simulations, and data analysis. Participants will learn Python-based tools, numerical methods, and fundamental concepts in cosmology and particle physics. Project coordinator: Chonticha Kritpetch, High Energy Physics and Cosmology Research Group (HPCR), School of Science, University of Phayao, field of expertise: Cosmology Local coordinators Suphakorn Chunlen, High Energy Physics and Cosmology Research Group (HEPCR), University of Phayao, field of expertise: Holographic Dark Energy Phongsaphat Rangdee, High Energy Physics and Cosmology Research Group (HEPCR), University of Phayao, field of expertise: Cosmology Speakers: Kate Shaw, The Abdus Salam International Centre for Theoretical Physics (ICTP), Trieste, Italy Nandan Roy, Centre for Theoretical Physics and Natural Philosophy, Nakhon Sawan Studiorum for Advanced Studies (NAS), Mahidol University Suphakorn Chunlen, High Energy Physics and Cosmology Research Group (HPCR), University of Phayao