python 列表字符串依次按照制定长度获取，切片

def generator_five(parm, num):
    """
    将列表切分成每5个来返回
    :param parm:
    :return:
    """
    length = len(parm)
    for i in range(0, length, num):
        yield parm[i:i + num]

懂得,原来世界如此简单!