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
History of Yahoo! credentials and the vetting process that preceded his selection as CEO. The review committee's chairman is Alfred Amoroso, who joined Yahoo!'s board in February 2012. The other directors on the panel are John Hayes and Thomas McInerney, who both joined in April 2012. The committee retained Terry Bird as independent counsel. On May 13, 2012, Scott Thompson was replaced by Ross Levinsohn as the company's interim CEO. In June 2012, Yahoo! hired former Google director, Michael G. Barrett as its Chief Revenue Officer. On July 16, 2012, former Google executive and Walmart corporate director Marissa Mayer was named as Yahoo!