next keyword, .each template

# print even numbers using next keyword
i = 20
loop do
  i -= 1
  next if i %2 !=0  # used to skip over this step when i is odd
  print "#{i}"
  break if i <= 0
end

=begin
# template for .each

# 1. brackets
object.each { |item|
  # Do something
}

# 2. do keyword
object.each do |item|
  # Do something
end

=end