2021-11-19

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主要内容：

Python clear()
图的DFS

Python clear()

a = [[1, 2, 3, 4], [2, 3, 4, 5], [8, 8, 8, 8]]
a[1].clear()
print(a)

结果：

[[1, 2, 3, 4], [], [8, 8, 8, 8]]

图的DFS

🔗 [图的两种遍历方式：DFS、BFS - 知乎] https://zhuanlan.zhihu.com/p/76596674