import pyutil as pyu
pyu.get_local_pyinfo()

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

from typing import List

class Solution:
  def reverseVowels(self, s: str) -> str:
    charList = list(s)
    vowels = {'a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U'}
    l = 0
    r = len(s) - 1

    while l < r:
      while l < r and charList[l] not in vowels:
        l += 1
      while l < r and charList[r] not in vowels:
        r -= 1
      charList[l], charList[r] = charList[r], charList[l]
      l += 1
      r -= 1

    return ''.join(charList)

new Solution().reverseVowels()