请问为什么在提问的时候会先输出一句“NOT NEED MEMORY”，好像也不会根据数据库来做出回答？

[Erakee]

(chatdb) (venv) ErakeedeMacBook-Pro:ChatDB-main erakee$ python chatdb.py
START!
USER INPUT: apple's price
NOT NEED MEMORY: ```
Step1: Retrieve the price of apple
SELECT selling_price
FROM fruits
WHERE fruit_name = 'apple';

USER INPUT: calculate the total revenue for January 2023
NOT NEED MEMORY: ```
Step1: Calculate the total revenue for January 2023
SELECT SUM(total_price) AS total_revenue
FROM sales
WHERE sale_date >= '2023-01-01' AND sale_date < '2023-02-01';

[tom68-ll]

We meet same question.