python3 字典、列表、数组和字符串之间的相互转化https://blog.csdn.net/zhangyu4863/article/details/80575064https://blog.csdn.net/zhangyu4863/article/details/80575064
https://blog.csdn.net/zhangyu4863/article/details/80575064
list->str, array->str, str->list
https://blog.csdn.net/FrankieHello/article/details/80766439https://blog.csdn.net/FrankieHello/article/details/80766439https://blog.csdn.net/FrankieHello/article/details/80766439