Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Python Introducing Lists Build an Application Wrap Up

Piotr Manczak
seal-mask
.a{fill-rule:evenodd;}techdegree seal-36
Piotr Manczak
Front End Web Development Techdegree Graduate 29,367 Points
Posted by Piotr Manczak
.a{fill-rule:evenodd;}techdegree seal-36
Piotr Manczak
Front End Web Development Techdegree Graduate 29,367 Points

what if you ask for a shopping_list before you enter any items? Will it not break a program? It is a bug.

What if you ask for a shopping_list before you enter any items? Will it not break a program? It is a bug.

2 Answers

fionaj
fionaj
1,380 Points

If you ask for a shopping list before entering any items it will just give you a blank list. You can have a string without anything in it and you can also have a list without anything in it.