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 Python Basics (2015) Python Data Types Lists

Posted by Mason Neal
Mason Neal
198 Points

extend error

when i follow along and try to use .extend it gives me an error that says 'tuple' has no attribute "extend". what is going on there

Randy Fournier
Randy Fournier
1,347 Points
Randy Fournier
Randy Fournier
1,347 Points

Show your code, hard to say exactly without seeing anything lol.

2 Answers

Stuart McIntosh
seal-mask
.a{fill-rule:evenodd;}techdegree seal-36
Stuart McIntosh
Python Web Development Techdegree Graduate 22,874 Points
Stuart McIntosh
.a{fill-rule:evenodd;}techdegree seal-36
Stuart McIntosh
Python Web Development Techdegree Graduate 22,874 Points

Hi there 'tuples' cannot be changed so have no attributes like extend. Lists do. Not sure what your code is but you may have mistakenly created a tuple rather than a list?

gabrielle moran
gabrielle moran
1,985 Points
gabrielle moran
gabrielle moran
1,985 Points

Did you use parentheses instead of a square bracket when trying to create your list? That would create a tuple