Tagline: Let the database do the filtering, let Python do the formatting, and never hand-build a CSV. Introduction By the end of Phase 5 my app could already tell me how much I'd spent this month and whether I was up or down versus last month. Nice numbers on a dashboard.
Source: [Dev.to](https://dev.to/silentcarry/phase-6-give-me-the-receipts-date-range-reports-csv-export-in-fastapi-5acm)