[백준/파이썬]1100번 하얀 칸

-코드

chess = [list(input()) for _ in range(8)]
cnt = 0
for i in range(8):
    if i % 2 == 0:
        for j in range(8):
            if j % 2 == 0 and chess[i][j] == 'F':
                cnt += 1
    else:
        for j in range(8):
            if j % 2 != 0 and chess[i][j] == 'F':
                cnt += 1
print(cnt)