100_Same_Tree.py

# Definition for a binary tree node.
class TreeNode(object):
    def __init__(self, x):
        self.val = x
        self.left = None
        self.right = None

class Solution(object):
    def isSameTree(self, p, q):
        """
        :type p: TreeNode
        :type q: TreeNode
        :rtype: bool
        """
        if(not p and not q):
            return True
        elif((p and q) and (p.val == q.val) and (self.isSameTree(p.left,q.left)) and (self.isSameTree(p.right,q.right))):
            return True
        else:
            return False