Yehor Dremliuha

1. Introduction When I started developing my pet projects, I had a problem with having a consistent system that could help me get a detailed step-by-step guide to implement the project from an idea. Then I got acquainted with the Software Development Lifecycle (SDLC) and started to implement my own practices. My primary language is Python, and I will tell you the exact workflow of how I usually develop applications in this language. The SDLC

1. Introduction Since I started my journey with programming, I noticed an interesting pattern: the majority of applications are templated. Yes, it’s a pure fact! Just stop right here, at the beginning of this article, and start thinking of all the projects you have developed. What do they have in common? If you look closely, you’ll see that many core functionalities are reused across different projects. These core functionalities often include user authentication, payment processing,