leetcode1037

 1 class Solution:
 2     def isBoomerang(self, points: 'List[List[int]]') -> bool:
 3         l = sorted(points, key = lambda x: (x[0],x[1]))
 4         #print(l)
 5         c = points[2]
 6         b = points[1]
 7         a = points[0]
 8         if c[0]==b[0] and b[0]==a[0]:
 9             return False
10         if c[1]==b[1] and b[1]==a[1]:
11             return False
12         if (c[0]==b[0] and c[1]==b[1]) or (c[0]==a[0] and c[1]==a[1]) or (b[0]==a[0] and b[1]==a[1]):
13             return False
14         if (c[0]==b[0] and b[0]!=a[0]) or (a[0]==c[0] and a[0]!=b[0]) or (a[0]==b[0] and b[0]!= c[0]):
15             return True
16         if (c[1]==b[1] and b[1]!=a[1]) or (a[1]==c[1] and a[1]!=b[1]) or (a[1]==b[1] and b[1]!= c[1]):
17             return True
18         i = c[0]-b[0]
19         j = b[0]-a[0]
20         h = c[1]-b[1]
21         n = b[1]-a[1]
22         if h/i == n/j:
23             return False
24         else:
25             return True