Sorry for a simple question- but I don't understand how to parse this use of a list comprehension.
The "or" clauses are odd to me. It also seems like it is being overly clever (?) in using a lc expression as a for loop to drive the recursion. Thanks for any insight! Gregory ------------------------- # http://markbyers.com/moinmoin/moin.cgi/ShortestSudokuSolver def solve(board): i=board.find('0') # find next open cell if i<0: # done if none... print board; exit("Done") [ m in [(i-j)%9*(i/9^j/9)*(i/27^j/27|i%9/3^j%9/3) or board[j] for j in range(81) ] or solve(board[:i]+m+board[i+1:]) for m in'%d'%5**18 ] ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- -- http://mail.python.org/mailman/listinfo/python-list
