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

moustave

13,610
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12,051
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18 / 109 Holes

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1 / 59 Langs

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9 / 76 Cheevos

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Card Number Validation in Python in Chars Play Hole

87th in Python and 469th overall.

Last tested .

Bytes Chars Submitted
144 144
148 148
150 150