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Python Introducing Lists Build an Application Multidimensional Musical Groups

im not sure what i've got wrong

.

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

3 Answers

Tyler B
Tyler B
5,787 Points
if len(musical_groups) == 3:

should be:

if len(group) == 3:
Duc Bui
Duc Bui
14,546 Points
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"]
    ]

output = []
for group in muscial_groups:
     if len(group) == 3:
         output.append(group)
print(output)
Mia Allen
Mia Allen
2,929 Points

Try a semicolon instead of a colon.