题解 | 单组_二维数组
单组_二维数组
https://www.nowcoder.com/practice/4df606b6c3764d9c969f8759c8a4807b
import sys
n, m = map(int, input().split())
list1 = []
count = 0
for i in range(n):
list1.append(list(map(int, input().split())))
count += sum(list1[i])
print(count)
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