1 with open('files/puzzle10.txt') as f:
    2     blep = f.read()
    3     puzzle_input = [int(c) for c in blep.split(',')]
    4     puzzle_ascii = [ord(c) for c in blep[:len(blep) - 1]]
    5     puzzle_ascii.extend([17, 31, 73, 47, 23])
    6
    7 def round(this_input, this_list, skip, pos):
    8     for length in this_input:
    9         twist = reversed([this_list[i % len(this_list)] for i in range(pos[0], pos[0] + length)])
   10         for i, t in zip(range(pos[0], pos[0] + length), twist):
   11             this_list[i % len(this_list)] = t
   12         pos[0] += length + skip[0]
   13         skip[0] += 1
   14
   15 my_list = [i for i in range(256)]
   16 round(puzzle_input, my_list, [0], [0])
   17 print my_list[0] * my_list[1]
   18
   19 my_list = [i for i in range(256)]
   20 skip, pos = [0], [0]
   21
   22 for i in range(64):
   23     round(puzzle_ascii, my_list, skip, pos)
   24
   25 knot_hash = []
   26
   27 for block in [my_list[i:i + 16] for i in range(0, len(my_list), 16)]:
   28     knot_hash.append(chr(reduce(lambda x, y: x ^ y, block)))
   29
   30 print "".join(knot_hash).encode("hex")