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Python Introducing Lists Build an Application Multidimensional Musical Groups

Posted by Mohammed Zvakavapano
Mohammed Zvakavapano
1,746 Points

dont know why it keeps picking up non-trio..what could be error in the code?

don't know why it keeps picking up non-trio..what could be error in the code?

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),end='')



for group in musical_groups:
    print(", ".join(group))

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

1 Answer

KRIS NIKOLAISEN
KRIS NIKOLAISEN
54,971 Points
KRIS NIKOLAISEN
KRIS NIKOLAISEN
54,971 Points

If you join the group then the length will be the number of characters in the resulting string. You should check the length of group to get the number of items in the list and compare that to 3.