Python_迭代器

迭代器:迭代器里的元素读一个丢一个,不能回退,不能用下标访问

  x.__next__():迭代器里唯一的方法,只读下一个

d = iter(['Presly', 'is', 'lovely', ])
print(d.__next__())
print(d.__next__())
print(d.__next__())
#print(d.__next__())          # 迭代器里的元素已经被读完,继续直接报错

结果:

Presly
is
lovely
原文地址:https://www.cnblogs.com/Vera-y/p/9600022.html