import pyutil as pyu
pyu.get_local_pyinfo()

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

from typing import List

class Solution:
  def findDisappearedNumbers(self, nums: List[int]) -> List[int]:
    for num in nums:
      index = abs(num) - 1
      nums[index] = -abs(nums[index])

    return [i + 1 for i, num in enumerate(nums) if num > 0]

new Solution().findDisappearedNumbers()