Take a look at http://projecteuler.net/problems It's a wonderful collection of n... | Hacker News

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		tobij on Jan 4, 2012 \| parent \| context \| favorite \| on: 4Clojure hits 100K solved problems. Take a look at http://projecteuler.net/problems It's a wonderful collection of non language specific mathematical and/or computer programming problems.

weaksauce on Jan 4, 2012 [–]

Python challenge is interesting too, but not a good intro to the language.

http://www.pythonchallenge.com/

upon a cursory look I couldn't find a decent version for ruby, but there are many out there that do it differently.

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