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Python Introducing Lists Build an Application Multidimensional Musical Groups

Daniel Lounsbury
Daniel Lounsbury
1,744 Points
Posted by Daniel Lounsbury
Daniel Lounsbury
1,744 Points

Syntax error on my Len function

I am trying to print a list separated by commas of only the lists (bands) that have three members. My code for the Len function is giving me a syntax error and I have been beating my head against a wall on this for a few days now :(

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

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

1 Answer

ursaminor
ursaminor
11,271 Points

Your if statement is missing a colon. And the statement inside it should be indented. It should be:

for members in musical_groups:
    if len(members) == 3:
        print(", ".join(members))
Daniel Lounsbury
Daniel Lounsbury
1,744 Points
Daniel Lounsbury
Daniel Lounsbury
1,744 Points

Thank you so much! That was making me crazy lol :)