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xor string 0.2.3
# xor_string  Python doesn't support (natively) XOR on everything else than int, and this is annoying.```>>> 'hello' ^ 'world'Traceback (most recent call last): File "<stdin>", line 1, in <module>TypeError: unsupported operand type(s) for ^: 'str' and 'str'```Fortunately, Python has the (amazing) itertools module.## unit tests* `nosetests -v`## ExplanationsFor those who are not familiar with python:* cycle(key) returns an iterator that produces an infinite concatenation of key's content* izip(a, b) returns an iterator that aggregates elements from each of the iterables. It stops on the shortest input sequence (here, our message, since cycle(key) is infinite* ord(a) and chr(57) return (respectively) the integer representing the given char and the char represented by the given integer.* ''.join() (roughly) concatenate every items of the list passed in argument in a string
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