5-2.py

import array as arr

f = open("Day5Board.txt", "r")
d = f.read().split("\n")
highest = 0
tmp = 0
def spl(s):
    return [c for c in s]

nums = list()
for i in range(1,906):
	nums.append(i)
	
for seat in d:
    seat = spl(seat)
    start = [0,127]
    startRow = [0,7]
    place = start[1] - (start[0] - 1)
    placeRow = startRow[1] - (startRow[0] - 1)

    for i in seat:
        if i == 'F':
            place = place / 2
            start[1] = start[0] + place - 1
        if i == 'B':
            place = place / 2
            start[0] = start[1] - (place - 1)
        if i == 'L':
            placeRow = placeRow / 2
            startRow[1] = startRow[0] + placeRow - 1
        if i == 'R':
            placeRow = placeRow / 2
            startRow[0] = startRow[1] - (placeRow - 1)
    tmp = int(start[0] * 8 + startRow[0])
    if tmp in nums:
        nums.remove(tmp)

answer = 0
for x in nums:
    for y in nums:
        if x == y:
            continue
        if not(x - 1 == y or x + 1 == y):
            answer = x
print(nums)
print()
print()
print(answer)