python3: Object-oriented interpreted programming language python3: python3: Python 3 (a.k.a. "Python 3000" or "Py3k") is a new version of the python3: language that is incompatible with the 2.x line of releases. The python3: language is mostly the same, but many details, especially how built- python3: in objects like dictionaries and strings work, have changed python3: considerably, and a lot of deprecated features have finally been python3: removed. Also, the standard library has been reorganized in a few python3: prominent places. python3: python3: It is safe to install this on a system which already has 2.x version.