name error name symtr is not globally defined

Question

class Solution(object):
    def symtr(self,root1, root2):
        if(root1==None and root2==None):
            return True
        elif(root1==None and root2!=None or root1!=None and root2==None or root1.val != root2.val):
            return False
        return symtr(root1.right,root2.left) and symtr(root1.left,root2.right)
    
    def isSymmetric(self, root):
        if(root==None):
            return True
        else:
            x=symtr(root.left,root.right)
            return x

Comments

Hey, @Bitra,

I am running your code but not getting any error, please run your code once more and see if the exact error you are getting or not. If,  the error is still there then do ping me.