import pyutil as pyu
pyu.get_local_pyinfo()

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

from typing import List

class Solution:
  def findMinArrowShots(self, points: List[List[int]]) -> int:
    ans = 0
    arrowX = -math.inf

    for point in sorted(points, key=lambda x: x[1]):
      if point[0] > arrowX:
        ans += 1
        arrowX = point[1]

    return ans

new Solution().findMinArrowShots()