W-ZERO3でPython Windows CE portを使って書いた。 うろ覚えで書いたらルールが微妙に違ってたけどまあいいや。 # -*- coding: utf-8 -*- def solve_komachi(answer, *terms): for e in iter_komachi(terms): try: if e() == answer: yield e except Arithme…

# -*- coding: utf-8 -*- def isbn10_calc_checkdigit(digits): digit = 0 for i, d in enumerate(digits): digit += int(d) * (10 - i) d = (11 - (digit % 11)) % 11 return (d == 10) and 'X' or str(d) def isbn13_to_10(isbn13): isbn13 = isbn13.repla…