A string question with one trap: comparing letters with < and > in Python compares character codes, and every uppercase letter has a smaller code than every lowercase one. You get a sentence of words ...

Highlights of Python 3.15 include lazy imports, faster JIT compilation, better error messages, and smarter profiling. The general release is now available. Python 3. ...

After roughly six months in beta, Chakra is generally available. HackerRank says it ran more than 500,000 interviews, with Snowflake, Snorkel and Capgemini among its testers. Keep reading for free.

What happens when AI moves from helping job candidates to evaluating them? HackerRank, a platform used by companies to assess and hire developers, is offering a glimpse at what that future of job ...

This challenge involves creating a VendingMachine class that models a simple vending machine. Users can buy items from the vending machine, and the machine keeps track of the remaining items and the ...

Microsoft Lists is part of the Microsoft 365 suite, designed for organizing and managing structured information in a clear and accessible way. It supports tasks like tracking project progress, ...

Some people won't even start their day without making a list. Groceries, errands, goals, packing for vacation, shows they want to watch; if it can be written down, it probably is. List-making isn't ...

Before we start, one note: everything below began as a personal note. I wrote it while prepping for interviews. But the deeper I dug into CPython and the more I looked under Python’s hood, the clearer ...

Python lists are dynamic and versatile, but knowing the right way to remove elements is key to writing efficient and bug-free code. Whether you want to drop elements by condition, index, or value—or ...

If you’re new to Python, one of the first things you’ll encounter is variables and data types. Understanding how Python handles data is essential for writing clean, efficient, and bug-free programs.

I may not be that big of a productivity nerd, but I do like my things organized, and I go to great lengths to find a system that works for me. My style is that I don’t control every minute of my day — ...