The 2026 PCEP-30-02 exam now features interactive, scenario-based questions and updated domain weightings, requiring candidates to demonstrate applied Python skills under timed conditions. Official ...

Abstract: Visualization is a powerful tool for learning and teaching complex concepts, especially in the field of computer science. However, creating effective and engaging visualizations can be ...

Conditional statements are the backbone of decision-making in programming and even in tools like Excel. From if-else chains to switch cases, each structure has its strengths for clarity and efficiency ...

Abstract: This article introduces a novel approach to data structure visualization through the development of a new programming language, utilizing Python’s Lex-YACC library for lexical analysis and ...

I built this repo as a cumulative sequence. The early notebooks teach Python, data modeling, storage, processing, and streaming. Later chapters stop talking in abstractions and force those ideas into ...