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This kata was published long time ago, back then the userbase was not known... Also the author published the kata, not CodeWars official, so they would not know how the audience distribution would look like, statistically speaking ~~
The website has a large audience in Scandinavia, yet swedish is wrong and both norwegian written languages are missing. ๐
First point is correct but your second point is wrong. Becuase zero is falsy as well your suggested filter function would drop 0 from the result and fail when the first letter is upper case.
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