[PCCE 기출문제] 9번 / 이웃한 칸

https://school.programmers.co.kr/learn/courses/30/lessons/250125

프로그래머스

def solution(board, h, w):
    answer = 0
    for dh, dw in ((0, 1), (1, 0), (-1, 0), (0, -1)):
        if 0 <= (h_check := h + dh) < len(board) and 0 <= (w_check := w + dw) < len(board) and board[h_check][w_check] == board[h][w]:
            answer += 1
    return answer

print(solution(
    [["blue", "red", "orange", "red"],
     ["red", "red", "blue", "orange"],
     ["blue", "orange", "red", "red"],
     ["orange", "orange", "red", "blue"]],
    0,
    0
))