[Tutor] File extension change

[Ben Finney]

Chelsea G <cegarcia0323 at gmail.com> writes:

> import csvimport jsonimport sysimport osfrom collections import
> defaultdictfrom collections import Counter

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-- 
 \     “Capitalism is the astounding belief that the most wickedest of |
  `\    men will do the most wickedest of things for the greatest good |
_o__)                               of everyone.” —John Maynard Keynes |
Ben Finney