Consecutive Combinations

def consec_combos(ls):
    combos = []
    for i in xrange(len(ls)):
        for j in xrange(i, len(ls)):
            combos.append(ls[i:j+1])
    return combos

print consec_combos('12,25,28,32,36'.split(','))

OUTPUT: [['12'], ['12', '25'], ['12', '25', '28'], ['12', '25', '28', '32'], ['12', '25', '28', '32', '36'], ['25'], ['25', '28'], ['25', '28', '32'], ['25', '28', '32', '36'], ['28'], ['28', '32'], ['28', '32', '36'], ['32'], ['32', '36'], ['36']]