Task Manager Project — What This Code Can Become

Two classes. Seven operations. A working task manager.

But look at what you actually built — and where it can go.

How far this can go

A Project class. Right now you have one task list. But real projects have multiple lists — to do, in progress, done. A Project class would hold multiple TaskList objects:

class Project:
    def __init__(self, name):
        self.name  = name
        self.lists = {
            "backlog":     TaskList(f"{name}_backlog"),
            "in progress": TaskList(f"{name}_in_progress"),
            "done":        TaskList(f"{name}_done")
        }

    def move_task(self, task_id, from_list, to_list):
        # move a task between lists
        ...

That's Trello. Three lists, tasks moving between them. You have everything you need to build it — right now.

Deadline notifications. You already calculate days remaining in show_by_deadline(). One more step — filter tasks due within 24 hours and print a warning at startup:

task_list.load()
task_list.show_by_deadline()    # first thing on open — see what's urgent

Or go further — export a urgent_{today}.txt with only overdue and due-today tasks. A daily briefing file.

Multiple task lists. Same pattern as Safe Paws shelters:

work     = TaskList("work")
personal = TaskList("personal")
course   = TaskList("course")

work.load()
personal.load()
course.load()

Three independent lists. Three files. One program that manages all of them. A menu that lets you switch between lists — or search across all of them at once.

Statistics. You have statistics module and Counter from collections. Apply them here:

from collections import Counter

priorities = Counter(t.priority for t in task_list.tasks.values())
print(priorities)
# Counter({'high': 3, 'medium': 2, 'low': 1})

How many tasks per priority. Average days to deadline. Completion rate this week. A dashboard — built with what you already know.

Where the same logic applies

A task with a title, priority, status, and deadline is a universal pattern. The same structure powers:

Bug tracker. Title becomes bug description. Priority stays. Status becomes open, in progress, closed. Deadline becomes target fix date. You've built Jira — simplified.

Reading list. Title becomes book title. Priority becomes interest level. Status becomes to read, reading, finished. Deadline becomes target finish date.

Job application tracker. Title becomes company name. Priority becomes how much you want the job. Status becomes applied, interviewing, offer, rejected. Deadline becomes application deadline.

Habit tracker. Title becomes habit. Priority becomes importance. Status becomes pending, done — reset daily. The export becomes a weekly consistency report.

Same two classes. Same seven operations. Different domain, different decisions — same code doing the work.

The real ceiling

Napoleon lost in Russia because he chased the wrong objective — Moscow instead of the Russian army. He had the resources. He had the genius. He lacked the system that would have told him what mattered most, in what order.

You just built that system.

Not for armies. For yourself. For your work, your projects, your priorities. A tool that tells you what to do next — built line by line, class by class, with nothing but Python and what you know.

Trello raised $10.3 million in its first round of funding on the same concept.

You built it in two rounds.