1 a=[1,3,[5,9],[1,3],[2,4]] 2 b =[(1, [3, 9,1]), (2, [4, 8,4]), (3, [1, 2,5])] 3 b.sort(key=lambda x:x[1][1]) 4 print(b) 5 b.sort(key=lambda x:x[0]) 6 print(b) 7 b.sort(key=lambda x:x[1][0]) 8 print(b) 9 b.sort(key=lambda x:x[1][2]) 10 print(b)
原文：https://www.cnblogs.com/chunfang/p/13049902.html