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Python 2.6.4 (r264:75821M, Oct 27 2009, 19:48:32) >>> from itertools import product >>> twokids = product('B G'.split(), 'M Tu W Th Fr St Sn'.split(), repe
by rhettinger 17y ago
Python 2.6.4 (r264:75821M, Oct 27 2009, 19:48:32)
>>> from itertools import product
>>> twokids = product('B G'.split(), 'M Tu W Th Fr St Sn'.split(), repeat=2)
>>> boytues = [t for t in twokids if t[:2]==('B', 'Tu') or t[2:]==('B', 'Tu')]
>>> twoboys = [t for t in boytues if t[0] == t[2] == 'B']
>>> len(twoboys)
13
>>> len(boytues)
27