How to understand the depth of python binary tree

Today, I will talk to you about how to understand the depth of python binary tree. Many people may not understand it very well. In order to make you understand better, the editor has summarized the following contents for you. I hope you can gain something according to this article.

Order

Mainly record the depth of the binary tree.

Enter the root node of a binary tree to find the depth of the tree. The nodes (including root and leaf nodes) passing through in turn from the root node to the leaf node form a path of the tree, and the length of the longest path is the depth of the tree. For example, given a binary tree [3pjc9re20 nullrecovery15pcd7], 3 /\ 920 /\ 157returns its maximum depth 3. Tip: total number of nodes rightDepth? LeftDepth + 1: rightDepth + 1;}}

Recursively calculate maxDepth (root.left) and maxDepth (root.right), and finally take their maximum value + 1.

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