Step 29 - Learn Lambda Functions by Building an Expense Tracker

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Step 29

Within the filter_expenses_by_category function, replace pass with a lambda function. Use expense as the parameter and evaluate the comparison between the value of the 'category' key of the expense dictionary and category using the equality operator.

O código:

def filter_expenses_by_category(expenses, category):
    return list(filter(lambda expense: expense['category'] == category, expenses))

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