1def findMinArrowShots(points):
2 points.sort(key=lambda x: x[1])
3
4 arrows = 1
5 current_end = points[0][1]
6
7 for i in range(1, len(points)):
8 current_balloon = points[i]
9
10 if current_balloon[0] <= current_end:
11 # Current arrow can burst this balloon
12 continue
13 else:
14 # Need a new arrow
15 arrows += 1
16 current_end = current_balloon[1]
17
18 return arrows