expense-tracker-mock

A simple Python CLI project to track daily expenses using mock data only. Perfect for beginners or Python learners who want a practical demo project without dealing with databases or APIs

Features

Show all expenses (mock data)

Add random expense (mock)

Calculate total expenses automatically

Simple CLI interface — easy to run and modify

Fully functional using only Python’s standard library

Requirements

Python 3.7+

No external libraries needed

How to run

Step	Description
1	Download or clone this repository
2	Make sure Python 3 is installed
3	Open a terminal in the project folder
4	Run the program with: python expense_tracker.py
5	Choose from the menu options shown
6	Use option 3 to exit the program

Screenshots

Example Output

Expense Tracker (Mock Data)

1. Show all expenses
2. Add random expense
3. Exit Choose an option: 1

Date: 2025-10-01 | Category: Food | Amount: $12.50 Date: 2025-10-02 | Category: Transport | Amount: $3.00 Date: 2025-10-03 | Category: Entertainment | Amount: $20.00 Date: 2025-10-04 | Category: Food | Amount: $8.00 Date: 2025-10-05 | Category: Shopping | Amount: $50.00

Total expenses: $93.50

Tips

All data is mock data, stored in memory — nothing is saved to files.

You can easily add new categories by editing the CATEGORIES list in the code.

The amount and category of each random expense are generated automatically using Python’s random module.