Immediate Food Delivery I

None

Example Testcases:

{"headers":{"Delivery":["delivery_id","customer_id","order_date","customer_pref_delivery_date"]},"rows":{"Delivery":[[1,1,"2019-08-01","2019-08-02"],[2,5,"2019-08-02","2019-08-02"],[3,1,"2019-08-11","2019-08-11"],[4,3,"2019-08-24","2019-08-26"],[5,4,"2019-08-21","2019-08-22"],[6,2,"2019-08-11","2019-08-13"]]}}