Sanders Lin 9417091dab Update sol1.py (#643)
small off by one error. Boundary condition: if len(number) =13 , we would need to check exactly 1 combination, namely number itself. However  for i in range(len(number)-13): will iterate 0 times.
2019-02-13 18:02:32 +08:00
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2019-02-13 18:02:32 +08:00