Tarun

Hi, I'm Tarun Kumar — a passionate Software Developer with 4+ years of experience specializing in Python, Django, Django REST Framework, and modern web technologies. I've built scalable applications for both government and private sectors, including ERP systems, HRMS, and digital platforms for Indian Railways. I thrive at the intersection of backend engineering and user-centric design, integrating tools like MongoDB, PostgreSQL, AWS EC2, and jQuery. I'm also the creator of pythonjournals.com, where I share insights, tutorials, and automation scripts to help developers grow. When I'm not coding, I mentor interns, explore AI/ML in geospatial analysis, and work on projects that bridge technology with real-world impact.

Python yield keyword concept illustration with generator function

Python’s yield Keyword: From Theory to Real-World Magic

Today, we’re going to break down yield into simple, digestible pieces. By the end of this article, you’ll not only understand what it does but also why it’s such a powerful tool for writing efficient and elegant Python code. The Problem: Why Not Just Use return? Let’s start with what we know. The return statement is straightforward: a function runs,

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Illustration of Python virtual environments with Python logo, terminal, and folder icons, representing project isolation and dependency management.

Everything You Need to Know About Python Virtual Environments

When I first started coding in Python, I kept running into this frustrating problem. I’d install a package for one project, then start another project that needed a different version of the same package, and suddenly nothing worked anymore. Sound familiar? That’s when I discovered virtual environments, and honestly, they changed everything about how I

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Unlocking the Power of Python Collections Library – feature image with Python logo and data structures

Unlocking the Power of Python Collections Library

As a Python developer, I’ve always been fascinated by how the language provides elegant solutions to common programming challenges. One library that consistently amazes me is the collections module. It’s like having a Swiss Army knife for data structures – packed with specialized tools that can make your code cleaner, more efficient, and surprisingly readable.

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Python Django job scraper workflow with BeautifulSoup, TimesJobs, and Google Sheets integration.

How I Built a Django Job Scraper that Saves to Google Sheets

Last month, I got stuck in the usual routine: job boards were checked by hand, listings were copied into spreadsheets, and the best opportunities were always missed. After too many hours were spent on this boring work, a thought came up – why not have the whole process automated? So, I started thinking about creating

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Top Django, SQL, and AWS Interview Questions and Answers

Top Django, SQL, and AWS Interview Questions and Answers

If you are preparing for Python/Django backend interviews, then you’ll not only face questions on Django itself but also on SQL, APIs, caching, and cloud (AWS). Therefore, in this blog, I’ve compiled some of the most frequently asked questions along with clear and concise answers. However, these examples will help you understand the concepts better

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