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ikwukao/musical_instrument_inventory

1PythonAudience · generalComplexity · 1/5ActiveSetup · easy

TLDR

Tiny single-file Python exercise that defines a MusicalInstrument class with play() and get_fact() methods, written to practice basic object-oriented programming.

Mindmap

mindmap
  root((musical-instrument-inventory))
    Inputs
      Instrument name
      Instrument type
    Outputs
      Play message
      Family fact sentence
    Use Cases
      Learn classes
      Practice methods
      Demo OOP basics
    Tech Stack
      Python

Things people build with this

USE CASE 1

Read the script as a reference for basic Python class definition and constructors

USE CASE 2

Run python3 main.py to see two instrument objects print messages

USE CASE 3

Extend the class with inheritance to model woodwind and brass families

USE CASE 4

Use it as a starter for a small Tkinter or Streamlit inventory UI

Tech stack

Python

Getting it running

Difficulty · easy Time to first run · 5min

In plain English

This repository is a small learning exercise in Python. The author is practicing object oriented programming, which is a style of writing code where the program is organized around objects that bundle data with the actions that work on that data. The example they picked is a tiny inventory of musical instruments. The code defines a single class called MusicalInstrument. Each instrument has a name and a type, for example an Oboe in the woodwind family or a Trumpet in the brass family. The class has two methods. One called play prints a short message saying the instrument is fun to play. Another called get_fact returns a sentence stating which family of instruments the named one belongs to. The example output in the README shows the program creating two instruments and then printing those messages. The project is intentionally minimal. There are no external libraries to install, only Python 3 itself, and the whole program lives in a single script that you run with python3 main.py. The README is honest about its purpose: it is meant to demonstrate basic class definition, constructors, instance attributes, methods, and the difference between a class and the objects you make from it. The author lists some ideas for future improvement, such as adding more methods, using inheritance for different instrument families, storing instruments in a JSON file, or building a small Tkinter or Streamlit interface.

Copy-paste prompts

Prompt 1
Show me the MusicalInstrument class and explain what __init__, play, and get_fact each do
Prompt 2
Help me extend musical_instrument_inventory to load instruments from a JSON file
Prompt 3
Add inheritance so Woodwind and Brass are subclasses with their own play behavior
Prompt 4
Wrap the inventory in a tiny Streamlit app that lists every instrument
Prompt 5
Write a pytest test that checks get_fact returns the right family for an Oboe
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Generated 2026-05-22 · Model: sonnet-4-6 · Verify against the repo before relying on details.