Learn Lambda Functions by Building an Expense Tracker - Step 17

I am writing the code but its not working

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):
    lambda expense: expense['amount']
    map(lambda,expenses[])

# User Editable Region


expenses = []

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Learn Lambda Functions by Building an Expense Tracker - Step 17

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You need to pass this as the first argument to map():

and expenses as the second argument. expenses is all you need (do not add brackets).

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