Python生成器实现杨辉三角打印 

1 def triangles():
2     c = [1]
3     while 1:
4         yield c
5         a,b=[0]+c,c+[0]
6         c=[a[i]+b[i] for i in range(len(a))]
1 n = 0
2 for t in triangles():
3     print(t)
4     n = n + 1
5     if n == 10:
6         break

 

posted @ 2015-12-04 14:54  翌逍  阅读(469)  评论(0)  编辑  收藏  举报