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Ruby

Alphonse Cuccurullo
Alphonse Cuccurullo
2,513 Points
Posted by Alphonse Cuccurullo
Alphonse Cuccurullo
2,513 Points

Can someone help me with this challenge?

https://www.codecademy.com/courses/ruby-beginner-en-XYcN1/2/2?curriculum_id=5059f8619189a5000201fbcb

Thats the challenge im having reall trouble grasping what the next! method accomplishes here. also i suck at modulo so can you help me with this problem this is what i ended up doing.

i = 20 loop do i -= 1 next if i % 1==0 print "#{i}" break if i <= 0 end

1 Answer

Jennifer Nordell
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STAFF
.a{fill-rule:evenodd;}techdegree
Jennifer Nordell
Treehouse Teacher
Jennifer Nordell
.a{fill-rule:evenodd;}techdegree
Jennifer Nordell
Treehouse Teacher

Here was my solution to your challenge:

i = 20
until i == 0 do
  i -= 1
  next if i % 2 != 0
    print "#{i}"
end

As a note, the next is to tell it hey... if i modulus 2 is not equal to 0 (ie the number is odd) skip over this print statement and continue with the loop. Hope that makes sense!