Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Python Functional Python The Lambda Lambada Reduce

this one is cracking me aah

help

prices.py
prices = [
    (6.99, 5),
    (2.94, 15),
    (156.99, 2),
    (99.99, 4),
    (1.82, 102)
]
def product_sales((price, unit)):
    return price * unit

1 Answer

Steven Parker
Steven Parker
218,812 Points

I don't think you can destructure a tuple in the argument definition. But if you pass it in as a single parameter you can do it on a separate line:

def product_sales(arg):
    price, unit = arg
    #....