#!/usr/local/python/bin/python3 """ 一个迭代器的例子 """ class exsample(object): """ exsample 类实现迭代功能 __iter__返回一个迭代器 __next__定义每一次迭代要返回的值 """ def __init__(self,counter=10): self.index=0 self.counter=counter def __iter__(self): return self def __next__(self): if self.index <self.counter: self.index=self.index+1 return self.index -1 else: raise StopIteration() if __name__=="__main__": for x in exsample(): print(x)
[[email protected] tmp]# ./main.py 0 1 2 3 4 5 6 7 8 9
时间: 2024-10-10 21:52:10