Z3 is a high performance theorem prover developed at Microsoft Research. Z3 is used in many applications such as: software/hardware verification and testing, constraint solving, analysis of hybrid systems, security, biology (in silico analysis), and geome... (more…)

Today, the 0.25.0 release of lifelines was released. I'm very excited about some changes in this version, and want to highlight a few of them. Be sure to upgrade with: pip install lifelines==0.25.0 Formulas everywhere! Formulas, which should really be cal... (more…)

Why are random numbers important in machine learning and data science? How do we build a random number generator for our projects? (more…)

LWN.net is a subscriber-supported publication; we rely on subscribers to keep the entire operation going. Please help out by buying a subscription and keeping LWN on the net. (more…)

In this tutorial, you'll learn about assignment expressions and the walrus operator. The biggest change in Python 3.8 was the inclusion of the := operator, which you can use to assign variables in the middle of expressions. You'll see several examples of ... (more…)