获取传入的列表或元组的索引奇数位

def lst(list):
    lst1 = []
    for i in range(len(list)):
        if i %2 ==1:
            lst1.append(list[i])
    return lst1

　　#return list[1::2]

ret = lst([1,2,3,4,5,6,7,8])
print(ret)