path = 'res/01/input'

space = []

with open(path, 'r') as file:
    for line in file:
        space.append([1 if c is '#' else 0 for c in line])
        if '#' not in line:
            space.append([0 for _ in line])

ind = set()
for i in range(len(space[0])):
    if '#' not in [space[i][j] for j in range(len(space))]:
        ind.add(i)