A previous analysis of the same question (2.7, 2012): https://doughellmann.com/posts/the-performance-impact-of-using-dict-instead-of-in-cpython-2-7-2/ https://d

A previous analysis of the same question (2.7, 2012): https://doughellmann.com/posts/the-performance-impact-of-using-dict-instead-of-in-cpython-2-7-2/ https://doughellmann.com/posts/the-performance-impact-of-usi...