azran_legacy_puzzle_025.py

azran_legacy_puzzle_025.py

from itertools import combinations
from functools import reduce
from operator import xor

a = [1, 2, 4, 7, 15, 31]
s = set([])
for i in range(1, len(a) + 1):
    for e in combinations(a, i):
        s.add(sum(e))

l = list(s) + [i for i in range(1, 61)]
x = reduce(lambda x, y: xor(x, y), l)
print(x)