python如何写迭代函数

# 首先取得Iterator对象:
it = iter([1, 2, 3, 4, 5])
# 循环:
while True:
try:
# 取得下一个值:
x = next(it)
print(x)
except StopIteration:
# 遇到StopIteration就退出循环
break

1
2
3
4
5

>>>lst = [1, 2, 3]
>>> for i in iter(lst):
... print(i)
... 
1
2
3

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文章标题：python如何写迭代函数

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