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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
Posted by 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
231,269 Points
Steven Parker
Steven Parker
231,269 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.