python--字符串类型的列表转换成列表类型

https://www.cnblogs.com/lutt/p/12976761.html
from ast import literal_eval
apply_type = str([1,2,3])
new_list = literal_eval(apply_type)
print(new_list)
print(type(new_list))
# 此时的new_list的类型为list