# !/usr/bin/ruby -w
# -*- encoding:utf-8 -*-
# filename: main.rb
# author: 简单教程(www.twle.cn)
# Copyright © 2015-2065 www.twle.cn. All rights reserved.

def hello( name="World", greet ="Hello" )
    "#{greet} #{name}\n"
end

puts hello
puts hello( "www.twle.cn")
puts hello("www.twle.cn", "欢迎")