import pyutil as pyu
pyu.get_local_pyinfo()

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

from typing import List

class Solution:
  def findRepeatedDnaSequences(self, s: str) -> List[str]:
    ans = set()
    seen = set()

    for i in range(len(s) - 9):
      seq = s[i:i + 10]
      if seq in seen:
        ans.add(seq)
      seen.add(seq)

    return list(ans)

new Solution().findRepeatedDnaSequences()