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Python Introducing Lists Build an Application Multidimensional Musical Groups

David Garcia
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David Garcia
Python Development Techdegree Graduate 11,254 Points

multidimensional musical groups

still having trouble with this second part i have to only get trio groups from the list do i need to index??

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(len(group)))

1 Answer

Steven Parker
Steven Parker
231,236 Points

It looks like you have the right idea, but you'll want to join the group itself. The "len" of a group would just be a number representing how many members it has, and would not be useful in a "join" since it is a single value and not an iterable.