import pyutil as pyu
pyu.get_local_pyinfo()

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

from typing import List

class Solution:
  def findAnagrams(self, s: str, p: str) -> List[int]:
    ans = []
    count = Counter(p)
    required = len(p)

    for r, c in enumerate(s):
      count[c] -= 1
      if count[c] >= 0:
        required -= 1
      if r >= len(p):
        count[s[r - len(p)]] += 1
        if count[s[r - len(p)]] > 0:
          required += 1
      if required == 0:
        ans.append(r - len(p) + 1)

    return ans

new Solution().findAnagrams()