Python 一维列表转换成二维

python将一维列表变二维 - CSDN文库

# 将一维列表转为二维列表，每行元素个数为n
n = 3
one_dim_list = [1, 2, 3, 4, 5, 6, 7, 8, 9]

two_dim_list = [one_dim_list[i:i+n] for i in range(0, len(one_dim_list), n)]

print(two_dim_list)
# 输出：[[1, 2, 3], [4, 5, 6], [7, 8, 9]]