判断题
使用代码计算列表 maze 中有多少个 "1",代码正确的是
maze = [
[1,1,1,1,1,1,1,1,1], [1,0,1,0,0,0,0,0,1], [1,0,1,1,0,1,1,1,1], [1,0,0,0,0,1,0,0,1], [1,0,1,1,0,1,0,1,1], [1,0,0,1,0,0,0,0,1], [1,1,0,1,0,1,1,1,1],[1,0,0,1,0,0,0,0,1], [1,1,1,1,1,1,1,1,1], ]
A.
count = 0
for i in maze:
for j in i:
count = j
print(count)
B.
count = []
for i in maze:
count.append(sum(i))
print(sum(count))
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