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 Multidimensional Musical Groups

Posted by Nick Evershed
Nick Evershed
6,429 Points

Im lost now :(

I've learnt a lot in the course, but I am struggling to complete this part, I don't want to go back and watch all the courses, I don't know what im struggling with, ahh help, everything was going so well

groups.py 
musical_groups = [
    ["Ad Rock", "MCA", "Mike D."],
    ["John Lennon", "Paul McCartney", "Ringo Starr", "George Harrison"],
    ["Salt", "Peppa", "Spinderella"],
    ["Rivers Cuomo", "Patrick Wilson", "Brian Bell", "Scott Shriner"],
    ["Chuck D.", "Flavor Flav", "Professor Griff", "Khari Winn", "DJ Lord"],
    ["Axl Rose", "Slash", "Duff McKagan", "Steven Adler"],
    ["Run", "DMC", "Jam Master Jay"],
]
for members in musical_groups:
    print("* " + member)

1 Answer

Adriano Junior
Adriano Junior
5,065 Points
Adriano Junior
Adriano Junior
5,065 Points

Keep calm, Nick. You just committed a minor mistake. The Interpreter is very picky, and won't allow errors of semantics. You wrote... for members in musical_groups: print("" + member)... it should have been: print("" + members).

And let me know if you have problems later on.

Cheers!

Here's the code for both tasks

for musical_group in musical_groups: if len(musical_group) <= 3: #If I only want Groups with 3 members. print(", ".join(musical_group))