Aashish Kumar

Why I Regret Using *args and **kwargs in Python — And What You Should Do Instead

They look clean and powerful, but *args and **kwargs can make your code harder to understand, test, and maintain. Here’s what I learned…

What 4 Years of Python Development Have Taught Me the Hard Way

The lessons I wish someone had told me before the bugs, burnout, and endless refactoring cycles.

Everyone Uses Python’s lambda Wrong — Here’s the Smarter Way

Understand what lambda in Python is really for, where it fails silently, and how to use it in clean, maintainable ways

The Truth About is vs == in Python — And Why Most Get It Wrong

Learn the critical difference between identity and equality in Python, and how to avoid one of the most misunderstood bugs in Python…

Stop Using Python Classes Like This — It’s Slowing You Down

When classes are overkill and how functional patterns, data classes, and modules can do the same job — faster and cleaner.

I Removed Every For-Loop From My Python Code — Here’s What I Learned

Ditching traditional loops taught me the real power of Pythonic thinking, functional programming, and vectorized operations.

Why the Best Engineers Quit Their Jobs — And What It Means for You

Understanding the silent triggers behind great engineers leaving can help you become a better teammate, leader — or founder.

The Career Mistake That Set Me Back 2 Years

One bad decision, two wasted years — and the painful lesson that changed everything about how I approach growth.

The “Invisible Work” That Got Me Noticed by Leadership

Here’s how the behind-the-scenes effort I almost didn’t mention during reviews became the reason I got promoted.

6 Habits That Took Me from Imposter Syndrome to Software Confidence

Practical mindset shifts and habits that helped me silence the self-doubt and finally own my role as a developer.

Why Most Engineers Stay Average (And How I Broke Out)

If you’re stuck writing code but not growing, this will change everything.

The Lazy Developer’s Guide to Getting More Done in Less Time

These lazy hacks helped me write better code, finish faster, and still have time for coffee breaks.