Check two matrix and sum the keys if both equal to 1

matrixsum.py

m = [
    [1,2,1,1,1,0,2,1,1],
    [2,2,1,1,2,3,6,2,1],
    [1,2,1,1,1,0,1,1,1],
    [2,2,1,1,2,3,1,2,1]
]

for i in range(0, len(m), 2):
    total = 0
    for k,j in enumerate(m[i]):
        if j == m[i+1][k] and j == 1:
            total = total + j + m[i+1][k]

    print(total)