可迭代对象与迭代器

class myIterable(Object):
  def __init__(self, mylist):
    self.mylist = mylist
  def __getitem__(self, index):
    return self.mylist[index]

l = myIterable([1, 2, 3])
for i in l:
  print(i)

>>> 1
     2
     3

​From：​

《深入浅出GAN生成对抗网络》P3.3.2