如何使用python在csv中添加日期时间值?

I am trying to convert a nested json with multiple arrays and object jsons into CSV file using python. I tried many methods somehow i got the csvfile with only 1 array. I want to print the many filters which has unique values inside , so i am not able to print the 2nd arrays with cost, my sample json as below :I am trying to convert a nested json with multi