I believe it's due to consistently good performance over the years: * The outstanding documentation site. * Execution speed for an interpreted language. * Hi

I believe it's due to consistently good performance over the years: * The outstanding documentation site. * Execution speed for an interpreted language. * Highly transparent language evolution, managed by the nonprofit Python Foundation. * Semantic versioning. * Core developer communication is in English. * Excellent module definition and import system. * Culture of explicitness, not implicitness. The ecosystem has a few huge weaknesses (e.g. packaging and dependency management) which put me off for the most part. But the strengths seem to be overwhelming enough to put Python on a success trajectory.