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    OMG, thank you so much for this. I kept seeing this syntax in katas and had no idea what was going on. Appreciate it so much!

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    oh ok, thanks for letting me know.

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    Everyone voted for 6 kyu, but i guess the moderators decided it was a 7kyu.

    actually no, most people voted 7. The average you see on the "details" page of the kata is actually a floored value. Being the author, you cannot see it, but when I approved the kata, the other average was actually 7 kyu (which is totally appropriate for this task). Meaning, the average was somewhere between 6.5 and 7, floored to 6 in the details page of the kata.

    Cheers

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    This is not 5 kyu or 6 kyu, because the task is very simple and can be bypassed by hardcoding all values (good "intentions" of using matrices are just intensions, the author has to compose the task in such a manner, that cheesing is worthless or is disabled by test suite).

    Katas in 6 kyu are more difficult (maybe not by large margin, but still). Also, take a note, that current beta-process is more harsh that it used to be, with less katas are getting overranked.

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    yes, it should have. Everyone voted for 6 kyu, but i guess the moderators decided it was a 7kyu.

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    "" is a string object. string objects have a method join(iterable), that produces a string of all elements in iterable seperated (or joined) by whatever the string object's value was.

    >> "!".join(["I", "AM", "AWESOME"])
    I!AM!AWESOME
    
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