Learn Lambda Functions by Building an Expense Tracker - Step 27

Python
1

Tell us what’s happening:

I can’ find what I need to change, can someone help me

Your code so far

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"]}')
    

# User Editable Region

def total_expenses(expenses):
    sum(map(lambda expense: expense['amount'], expenses))
    return expenses
    

# User Editable Region


expenses = []

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Challenge Information:

Learn Lambda Functions by Building an Expense Tracker - Step 27

2

Finally, pass your map() call to the sum() function to obtain the total expenses and return the result.

You are returning expenses, not the result of the expression you created

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