python迭代器中next()的用法範例

>>> g = (x ** 2 for x in range(10))
>>> next(g)
0
>>> next(g)
1
>>> next(g)
4
>>> next(g)
9
>>> next(g)
16
>>> next(g)
25
>>> next(g)
36
>>> next(g)
49
>>> next(g)
64
>>> next(g)
81
>>> next(g)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
StopIteration

每次呼叫next，迭代迭代器，到最後會觸發StopIteration錯誤。

以上是python迭代器中next()的用法範例的詳細內容。更多資訊請關注PHP中文網其他相關文章！