import pyutil as pyu
pyu.get_local_pyinfo()

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

from typing import List

class Solution:
  def largestTriangleArea(self, points: List[List[int]]) -> float:
    ans = 0

    for Ax, Ay in points:
      for Bx, By in points:
        for Cx, Cy in points:
          ans = max(ans, 0.5 * abs((Bx - Ax) * (Cy - Ay) -
                                   (Cx - Ax) * (By - Ay)))

    return ans

new Solution().largestTriangleArea()