［python］迭代器与生成器

#-*- coding:utf8 -*-it = [_ for _ in [2,4]]g = (_ for _ in [2,3])#打印其类型print '\n-----------------打印类型-------------------------\n'print 'type:\n [_ for _ in [2,4]]: %s \n (_ for _ in [2,3]): %s'%(type(it),type(g))#打印结果print '\n-----------------第1次打印结果-------------------------\n'print '\n[_ for _ in [2,4]]:\n'for _ in it:    print _,print '\n-----------'print'\n(_for_in[2,3]):\n'for _ in g:    print _,print '\n-----------'#第二次打印结果print'\n-----------------第2次打印结果-------------------------\n'print '\n[_ for _ in [2,4]]:\n'for _ in it:    print _,print '\n-----------'print'\n(_for_in[2,3]):\n'for _ in g:    print _,print '\n-----------'