The database contained internal user emails, KPI report templates and other internal data, but no personal or financial ...

By the time you brief vendors, aim to have a 1‑pager product summary, the metrics table, a prioritized backlog, your budget ...

Tip 1: Don’t rely solely on "print" for debugging; try using "breakpoints + step execution". When first learning programming, many people habitually use "print statements" to print variable values ...