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
World IPv6 Day and World IPv6 Launch Day IPv6 Day. included some of the most heavily accessed destinations on the Internet, content distribution networks, as well as various Internet service and infrastructure providers including: Comcast, Google, Yahoo, Facebook, Yandex YouTube, Akamai Technologies, Limelight Networks, Microsoft, Vonage, AOL, Mapquest, T-Online, Cisco, Juniper Networks, Huawei, the US Department of Commerce, MasterCard, the BBC, and Telmex. Major carriers measured the percentage of IPv6 traffic of all Internet traffic as increasing from 0.024 to 0.041 with respect to native and tunneled stacks combined. Most IPv6 traffic in consumer access networks was to Google sites. Demonstrating the need for content sites to adopt