Pattern is a collection of open source (BSD license) web mining modules for Python from the Computational Linguistics and Psycholinguistics Research Center. It contains tools for data retrieval ...

One of the major new developments planned for Python 3.10 (due in October) is structural pattern matching syntax, which is a common feature in many other languages.

The pattern-matching syntax introduced in Python 3.10 allows for powerful new programming techniques for decision-making in apps.