gistfile1.rb

def output(*words)
  case words.length
  when 0
    puts "no words"
  when 1
    puts "here is my word: #{words.first}"
  else
    puts "here are my words: #{words.join(',')}"
  end
end



>> output
no words

>> output 'foo'
here is my word: foo

>> output 'foo', 'bar', 'baz'
here are my words: foo,bar,baz