Learn Lambda Functions by Building an Expense Tracker - Step 18

Python
1

Tell us what’s happening:

Describe your issue in detail here.
Hi team. I think a space is preventing my code from passing. Please help.

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))

/* User Editable Region */


expenses = []

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Challenge Information:

Learn Lambda Functions by Building an Expense Tracker - Step 18
https://www.freecodecamp.org/learn/scientific-computing-with-python/learn-lambda-functions-by-building-an-expense-tracker/step-18`Preformatted text`

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You appear to have created this post without editing the template. Please edit your post to Tell us what’s happening in your own words.

3

You should return sum(map(lambda expense: expense['amount'], expenses)) from your total_expenses function.

Your function doesn’t return anything

2 Likes
4

exactly, the answer is in the task given with step 18 - they tell you to use return