Some key consequences of the long-term significance of 2.7 are:Īs noted above, the 2.7 release has a much longer period of maintenance The full expected lifecycle of the Python 2.7 Stable and supported base platform for production systems that have not yetīeen ported to Python 3. This means that Python 2.7 will remain in place for a long time, providing a Those associated with Unicode handling) may require careful consideration,Īnd preferably robust automated regression test suites, to migrate However, while there is a large common subset between Python 2.7 and Pythonģ, and many of the changes involved in migrating to that common subset, orĭirectly to Python 3, can be safely automated, some other changes (notably Releases for the language or standard library. Versions of supported operated systems, there will be no new full feature Receive bug fixes, and to be updated to build correctly on new hardware and This means that while Python 2 continues to Maintainers have shifted the focus of their new feature development efforts Python 2.7 is the last major release in the 2.x series, as the Python Whenever possible, “What’s New in Python” links to the The design and implementation, refer to the PEP for a particular newįeature or the issue on in which a change wasĭiscussed. If you want to understand the rationale for Forįull details, you should refer to the documentation for Python 2.7 at The new features, but instead provides a convenient overview. This article doesn’t attempt to provide a complete specification of To Python 3, several new features from the Python 3.x series have been

On making it a good release for the long term. Python 2.7 is planned to be the last of the 2.x releases, so we worked Greatly enhanced unittest module, the argparse moduleįor parsing command-line options, convenient OrderedDictĪnd Counter classes in the collections module, There are some useful additions to the standard library, such as a Numeric handling has been improved in many ways, for bothįloating-point numbers and for the Decimal class. This article explains the new features in Python 2.7.

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