Project 5 — To-Do List App

Build a full-featured to-do list with priorities, due dates, categories, and JSON file persistence.

listdictJSONpersistenceCLI

Duration

⏱ 2 hours

Level

📊 Intermediate Applied

Prerequisite

🎯 Basic Week 10

OUTCOME

A feature-complete to-do app with file persistence

What you'll learn

1Store tasks as dicts with id, title, priority, due_date, category
2Implement CRUD + filter + sort commands
3Persist to JSON on every write
4Display tasks in a clean tabular format

Commands

add <title> [--priority high|medium|low] [--due YYYY-MM-DD] [--cat <category>]
list [--filter done|pending] [--sort priority|due|id]
done <id> — mark complete
delete <id>
search <keyword>
stats — show counts by priority/category

Sample Output

text

> list --sort priority
ID  P   Due         Category  Title
 3  H   2024-05-20  Work      Write report
 1  M   2024-05-22  Personal  Buy groceries
 2  L   —           Chores    Clean garage
Done: 0/3

📝 Exercises

Try them yourself first, then open the solution to compare.

Exercise 1

Build the to-do app

Goal: Implement all commands with JSON persistence.

Requirements

All CRUD operations
Filter and sort options
JSON file persistence
stats command

Grading

· CRUD works — 40%
· Filter/sort — 20%
· Persistence — 25%
· Stats — 15%

Example code / lecture materials

All lecture materials and example code are openly available on GitHub.

View on GitHub ↗