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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?

    4ndyJ 🇬🇧

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    Card Number Validation in Python in Chars Play Hole

    144th in Python and 737th overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
    137 137
    138 138
    139 139
    144 144
    146 146
    148 148
    151 151
    165 165
    190 190