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    The Gray Code Decoder and Gray Code Encoder holes will go live in approximately . Why not try and solve them ahead of time?

    dtbao20 (he/him) 🇻🇳

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    dev from Vietnam, i love short code

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    Card Number Validation in Python in Bytes Play Hole

    89th in Python and 510th overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
    117 117
    123 123