{ "blurb": "Calculate the Hamming difference between two DNA strands.", "authors": [ "PurityControl" ], "contributors": [ "benreyn", "vermiculus", "yurrriq" ], "files": { "solution": [ "hamming.el" ], "test": [ "hamming-test.el" ], "example": [ ".meta/example.el" ] }, "source": "The Calculating Point Mutations problem at Rosalind", "source_url": "http://rosalind.info/problems/hamm/" }