require 'twitter'

client = Twitter::REST::Client.new do |config|
  # Set key/token
  config.consumer_key = ''
  config.consumer_secret = ''
  config.access_token = ''
  config.access_token_secret = ''
end

trends = client.trends(23424856, {:exclude=>"hashtags"}) #23424856=>Japan
ret = ""
trends.each do |t|
   ret += "#{t.name},"
end
print ret.chop