Python中next()函数、iter()以及next(iter())函数的用法详解
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Python中next（）函数、iter（）以及next（iter（））函数的用法详解
# 首先获得Iteration对象
it = iter([1,2,3,4,5])
# 循环
while True:
try:
# 获得下一个值
x = next(it)
print(x)
except StopIteration:
# 遇到StopIteration就退出循环
break
li = [11, 22, 33, 44, 55]
li_iter = iter(li)
next(li_iter)
>>>
11
next(li_iter)
>>>
22
next(li_iter)
>>>
33
next(li_iter)
>>>
44
next(li_iter)
>>>
55
next(li_iter)
>>>
---------------------------------------------------------------------------
StopIteration Traceback (most recent call last)
<ipython-input-15-9584f6653730> in <module>
----> 1 next(li_iter)
StopIteration:
