python返回/打印列表中一行的最大值

my_list = [
    [1, 2, 3],
    [4, 5, 6],
    [7, 8, 9]
]

max_value = None  # 初始化最大值变量为None

for row in my_list:

    row_max = max(row)

    if max_value is None or row_max > max_value:
        max_value = row_max

print(max_value)  # 打印最大值

my_list = [
    [1, 2, 3],
    [4, 5, 6],
    [7, 8, 9]
]

max_value = None

for row in my_list:
    row_max = max(row)
    if max_value is None or row_max > max_value:
        max_value = row_max

print(max_value)