import pyutil as pyu
pyu.get_local_pyinfo()

print(pyu.ps2("python-dotenv"))

from typing import List

class Solution:
  def flipEquiv(self, root1: Optional[TreeNode], root2: Optional[TreeNode]) -> bool:
    if not root1:
      return not root2
    if not root2:
      return not root1
    if root1.val != root2.val:
      return False
    return self.flipEquiv(root1.left, root2.left) and self.flipEquiv(root1.right, root2.right) or \
        self.flipEquiv(root1.left, root2.right) and self.flipEquiv(
        root1.right, root2.left)

new Solution().flipEquiv()