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Expense Tracker App 💰

Intermediate

180 XP

80 min

Lesson Content

Expense Tracker App 💰

Build a personal expense tracker to manage your money. Learn data structures, file handling, and CRUD operations!

Expense Management

expenses = []

def add_expense(amount, category, description):
    expense = {
        'id': len(expenses) + 1,
        'amount': amount,
        'category': category,
        'description': description,
        'date': '2024-01-01'
    }
    expenses.append(expense)
    return expense

def get_total():
    return sum(exp['amount'] for exp in expenses)

Example Code

Create expense tracking system

expenses = []

def add_expense(amount, category, description):
    expense = {
        'id': len(expenses) + 1,
        'amount': amount,
        'category': category,
        'description': description
    }
    expenses.append(expense)
    return expense

def get_total():
    return sum(exp['amount'] for exp in expenses)

add_expense(50, 'Food', 'Lunch')
add_expense(30, 'Transport', 'Bus ticket')
print('Total expenses:', get_total())

Expected Output:

Total expenses: 80

Study Tips

•Read the theory content thoroughly before practicing
•Review the example code to understand key concepts
•Proceed to the Practice tab when you're ready to code