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May 2, 2018 06:30
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A way of calculating the distance between 2 strings
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| def string_distance(s1, s2): | |
| allchars = ''.join(sorted(set(s1+s2))) | |
| s1vals = [allchars.index(c) for c in s1] | |
| s2vals = [allchars.index(c) for c in s2] | |
| diffs = [abs(x-y) for x,y in zip(s1vals,s2vals)] | |
| lengthdiff = abs(len(s1)-len(s2)) | |
| return sum(diffs)+lengthdiff |
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