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Python Introducing Lists Build an Application Multidimensional Musical Groups

Uh oh another trio

This is what i have and i dont know what is wrong at this point

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

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

1 Answer

You have the right idea but for task 2 there should only be one for loop. Just add your if condition to the loop you created in task 1.