题解 | 单组_二维数组
a, b = map(int, input().split()) sum0 = 0 for i in range(a): c = sum(list(map(int, input().split()))) sum0 += c print(sum0)
a, b = map(int, input().split()) sum0 = 0 for i in range(a): c = sum(list(map(int, input().split()))) sum0 += c print(sum0)
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