Python (programming language) was initially set at 2015 then postponed to 2020 out of concern that a large body of existing code could not easily be forward-ported to Python 3. In January 2017, Google announced work on a Python 2.7 to Go transcompiler to improve performance under concurrent workloads. Python is a multi-paradigm programming language. Object-oriented programming and structured programming are fully supported, and many of its features support functional programming and aspect-oriented programming (including by metaprogramming and metaobjects (magic methods)). Many other paradigms are supported via extensions, including design by contract and logic programming. Python uses dynamic typing, and a combination of
Yahoo! Groups one of the Top-five page-view-generating sites across the Yahoo network. Yahoo! Groups functionality remained static between 2000 and 2005. In 2001 Yahoo! deleted adult groups from its search directory, making it very difficult to locate Yahoo! groups with adult content. A Yahoo! user who wishes to find a group with adult content must therefore either know the exact name of the group, or attempt to find it by using a search engine or one of several online adult group directories. This has created what some view as an "underground" atmosphere for Yahoo! adult groups. While it is unclear whether the