Why write ten lines of code when one will do? From magic variable swaps to high-speed data counting, these Python snippets ...

Learn how Python's dictionary data structure works as a powerful and versatile way to store and retrieve objects and data in your applications. Programming languages all come with a variety of data ...

Python -O won’t magically make every script faster, but in the right workloads it’s a free win—here’s how to test it safely.

What if the tools you already use could do more than you ever imagined? Picture this: you’re working on a massive dataset in Excel, trying to make sense of endless rows and columns. It’s slow, ...

Send a note to Doug Wintemute, Kara Coleman Fields and our other editors. We read every email. By submitting this form, you agree to allow us to collect, store, and potentially publish your provided ...

Python's if name equals main construct provides a standard entry point to run scripts and standalone apps. Python has become a popular programming language due largely to its highly readable syntax ...

As Python’s popularity rises, its limitations are becoming more clear. For one thing, it can be very hard to write a Python application and distribute it to people who don’t have Python installed. The ...

Optimized apps and websites start with well-built code. The truth, however, is that you don't need to worry about performance in 90% of your code, and probably 100% for many scripts. It doesn't matter ...