파이썬 코딩 도장

matrix = []
col,row = map(int,input().split())             #col가로 row세로
for i in range(row):
    matrix.append(list(input()))

for i in range(row):
    for j in range(col):
        if not matrix[i][j]=='*':

            matrix[i][j]=0

            for y in range(i-1,i+2):
                for x in range(j-1,j+2):
                    if not(y<0 or x<0 or y>=row or x>=col):
                        if matrix[x][y]=='*':
                            matrix[i][j]+=1