Personal Finance Tracker

Create the Finance Tracker

Create a file named finance_tracker.py and add the following code:

pythonCopy codeimport json
import os

class FinanceTracker:
    def __init__(self, filename='finance_data.json'):
        self.filename = filename
        self.transactions = self.load_data()

    def load_data(self):
        if os.path.exists(self.filename):
            with open(self.filename, 'r') as file:
                return json.load(file)
        return []

    def save_data(self):
        with open(self.filename, 'w') as file:
            json.dump(self.transactions, file)

    def add_transaction(self, amount, category, description):
        transaction = {
            'amount': amount,
            'category': category,
            'description': description
        }
        self.transactions.append(transaction)
        self.save_data()
        print("Transaction added!")

    def view_transactions(self):
        if not self.transactions:
            print("No transactions found.")
            return
        print("\nTransactions:")
        for i, transaction in enumerate(self.transactions, 1):
            print(f"{i}. {transaction['amount']} - {transaction['category']}: {transaction['description']}")

    def summarize(self):
        total_income = sum(t['amount'] for t in self.transactions if t['amount'] > 0)
        total_expense = sum(t['amount'] for t in self.transactions if t['amount'] < 0)
        balance = total_income + total_expense
        print(f"\nTotal Income: {total_income}")
        print(f"Total Expense: {total_expense}")
        print(f"Balance: {balance}")

def main():
    tracker = FinanceTracker()
    
    while True:
        print("\nPersonal Finance Tracker")
        print("1. Add Transaction")
        print("2. View Transactions")
        print("3. Summarize")
        print("4. Exit")
        
        choice = input("Choose an option (1-4): ")

        if choice == '1':
            amount = float(input("Enter the transaction amount (use negative for expenses): "))
            category = input("Enter the transaction category: ")
            description = input("Enter a description: ")
            tracker.add_transaction(amount, category, description)
        elif choice == '2':
            tracker.view_transactions()
        elif choice == '3':
            tracker.summarize()
        elif choice == '4':
            print("Exiting the tracker.")
            break
        else:
            print("Invalid choice. Please try again.")

if __name__ == "__main__":
    main()

Step 2: Running the Finance Tracker

1. Open your terminal (or command prompt).
2. Navigate to the directory where you saved finance_tracker.py.
3. Run the script using the command:bashCopy codepython finance_tracker.py

Features of the Tracker

• Add Transaction: You can add income or expense transactions. Income should be entered as a positive amount, while expenses should be negative.
• View Transactions: Displays all recorded transactions with their details.
• Summarize: Provides a summary of total income, total expenses, and the overall balance.
• Data Persistence: Transactions are saved in a JSON file (finance_data.json) so that you can access them even after closing the application.