from typing import List
def maxArea(height: List[int]) -> int:
max_area = 0
left = 0
right = len(height) - 1
while left < right:
max_area = max(max_area, (right - left) * min(height[left], height[right]))
if height[left] < height[right]:
left += 1
else:
right -= 1
return max_area
height = [1,8,6,2,5,4,8,3,7]
maxArea(height)