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Python Introducing Lists Build an Application Multidimensional Musical Groups

Antonio Rodrigues
Antonio Rodrigues
1,218 Points
Posted by Antonio Rodrigues
Antonio Rodrigues
1,218 Points

what am i doing wrong?

for some reason i keep getting an AssertionError

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"],
]
# Your code here
for group in musical_groups:
    print(", ".join(group))

for group in musical_groups:
    if len(group) == 3:
        print(", ".join(group))

1 Answer

Ken Alger
STAFF
Ken Alger
Treehouse Teacher
Ken Alger
Ken Alger
Treehouse Teacher

Antonio:

You are on the right track. You just need a single for loop for challenge 2. Add that if statement into the original for loop and you should be good to go.

Ken