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    The Calendar hole will go live in approximately . Why not try and solve it ahead of time?

    psaban

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    Card Number Validation in Python in Chars Play Hole

    166th in Python and 739th overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
    149 149
    172 172
    210 210
    213 213
    215 215
    265 265