What’s New In Python 3.1What’s New In Python 3.1¶ Author: Raymond Hettinger This article explains the new features in Python 3.1, compared to 3.0. Python 3.1 was released on June 27, 2009. PEP 372: Ordered Dictionaries¶ Regular Python dictionaries iterate over key/value pairs in arbitrary order. Over the years, a number of authors have written alternative implementations that remember the order that the keys were origina
