import pyutil as pyu
pyu.get_local_pyinfo()

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

from typing import List

class Solution:
  def getIntersectionNode(self, headA: ListNode, headB: ListNode) -> Optional[ListNode]:
    a = headA
    b = headB

    while a != b:
      a = a.next if a else headB
      b = b.next if b else headA

    return a

new Solution().getIntersectionNode()