even.rb

#1
a = [2,3,5,6,12]

for i in a
  if i.even? == true 
    puts i
  end
end
#2

a = [2,3,5,6,12]

for i in a
  if i.even?
    puts i
  end
end

#3
a = [2,3,5,6,12]

for i in a
  puts i if i.even?
end

#4
a = [2,3,5,6,12]

a.each { |i| puts i if i.even? }