4 ms·

Bored Python programmer: def fact(l): return sum(map(bool,reduce(lambda I,l:''.join([l for I in I]), ['+'+'+'*l for l

by Deestan 17y ago

Bored Python programmer: def fact(l): return sum(map(bool,reduce(lambda I,l:''.join([l for I in I]), ['+'+'+'*l for l in xrange(l)]))) assert fact(6)==720