import pyutil as pyu
pyu.get_local_pyinfo()

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

from typing import List

class Solution:
  def shiftingLetters(self, s: str, shifts: List[int]) -> str:
    ans = []

    for i in reversed(range(len(shifts) - 1)):
      shifts[i] += shifts[i + 1]

    for c, shift in zip(s, shifts):
      ans.append(chr((ord(c) - ord('a') + shift) % 26 + ord('a')))

    return ''.join(ans)

new Solution().shiftingLetters()