生成器相关的面试题

 1 def demo():
 2     for i in range(4):
 3         yield i
 4 
 5 g=demo()
 6 
 7 g1=(i for i in g)
 8 g2=(i for i in g1)
 9 
10 print(list(g1))
11 print(list(g2))

1