python创建二维列表

时间:2021-04-21 11:59:58   收藏:0   阅读:0
ls = [[] for i in range(7)]
print(‘ls==‘, ls)
for k in range(1, 7):  # 1-9
    test = [i for i in range(k)]
    ls[k] = test
print(‘ls==‘, ls)

运行结果:
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