Learn Lambda Functions by Building an Expense Tracker - Step 44

Python
1

After the print() call, call the print_expenses function to display all the expenses that have been added so far. Pass the expenses list as the argument

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Thank you.

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Please post your code, a link to the Step, and a description of how you are stuck (don’t just copy-paste the error message)

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def add_expense(expenses, amount, category):
    expenses.append({'amount': amount, 'category': category})
    
def print_expenses(expenses):
    for expense in expenses:
        print(f'Amount: {expense["amount"]}, Category: {expense["category"]}')
    
def total_expenses(expenses):
    return sum(map(lambda expense: expense['amount'], expenses))
    
def filter_expenses_by_category(expenses, category):
    return filter(lambda expense: expense['category'] == category, expenses)
    

def main():
    expenses = []
    while True:
        print('\nExpense Tracker')
        print('1. Add an expense')
        print('2. List all expenses')
        print('3. Show total expenses')
        print('4. Filter expenses by category')
        print('5. Exit')
        
        choice = input('Enter your choice: ')

        if choice == '1':
            amount = float(input('Enter amount: '))
            category = input('Enter category: ')
            add_expense(expenses, amount, category)
        elif choice == '2':
            print('\nAll Expenses:')
            expenses()
            print_expenses()
            pass
5

Please post a link to the Step and a description of how you are stuck (don’t just copy-paste the error message)

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7

Please post a description of how you are stuck (don’t just copy-paste the error message)

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8

Step 44Passed
After the print() call, call the print_expenses function to display all the expenses that have been added so far. Pass the expenses list as the argument.

So looking at your code one of those calls will pass if you add an argument to it. What are you having trouble with?