# coding=utf8

from collections import Iterator

from collections import Iterable

#迭代器对象

class OwnIteror( Iterator ):

     def __init__(self , arrs ):

          self.index = 0

          self.arrs = arrs

     def  next(self):

          if self.index > len( self.arrs ) - 1:

              raise StopIteration

          else:

              self.index +=1

              return self.arrs[ self.index - 1 ]

#可迭代对象

class OwnIterable( Iterable ):

      def __init__(self ,  arrs ):

          self.arrs = arrs

      def __iter__(self):

          return OwnIteror( self.arrs )

for item in OwnIterable( [ 1,2,3,4,4,6 ] ):

      print item