刷题-Same Tree 缺python

Given two binary trees, write a function to check if they are equal or not.

Two binary trees are considered equal if they are structurally identical and the nodes have the same value.

java：

/**
 * Definition for binary tree
 * public class TreeNode {
 *     int val;
 *     TreeNode left;
 *     TreeNode right;
 *     TreeNode(int x) { val = x; }
 * }
 */
public class Solution {
    public boolean isSameTree(TreeNode p, TreeNode q) {
        if (p == null && q == null){
            return true;
        } 
        if (p!=null&&q==null || p==null&&q!=null){
            return false;
        }
        return isSameTree(p.left,q.left)&&isSameTree(p.right,q.right)&& p.val==q.val;
        
    }
    
}