import pyutil as pyu
pyu.get_local_pyinfo()

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

from typing import List

class Solution:
  def uncommonFromSentences(self, A: str, B: str) -> List[str]:
    count = Counter((A + ' ' + B).split())
    return [word for word, freq in count.items() if freq == 1]

new Solution().uncommonFromSentences()