# Demo app — `tasks` (Module 13 copy) The same tiny task tracker from Modules 1 and 2, with one feature added: a `count` command backed by `TaskList.pending_count()`. Use this copy for the Module 13 lab so everyone starts from the same code — including the same latent bug. If you already have a `tasks-app` from earlier modules, you can use that instead; just make sure it has a `count` command (the Module 2 lab added one). The planted bug in this copy is there on purpose. ## Files - `tasks.py` — core logic (`Task`, `TaskList`), now with `pending_count()`. - `cli.py` — command-line front end. Adds `count`. ## Run it ```bash python cli.py add "write the tests" python cli.py add "fix the bug" python cli.py done 0 python cli.py list python cli.py count ``` Requires Python 3.10+. No third-party packages — tests use the standard library `unittest`.