puts 'RubyRuby is a dynamic, reflective, object-oriented, and general-purpose programming language. In addition, it is a high-level, open-source language. Ruby focuses on simplicity and productivity, having an elegant, easy-to-read and write structure that is closer to human human life. Ruby gained her fame from the aesthetic structure, strength. When you look at any program expression in Ruby, you get a first idea of the function it does without having a preview background on programming!Ruby launched in 1995 and developed and became popular until it was ranked among the top 10 languages in terms of evolution and popularity among the programming languages. Ruby supports many programming paradigms, including functional programming, object orientation, and command structure. In addition, it has a dynamic type system and automatic memory management.Ruby is a generic language; it means that it can be used like any other generic language. Ruby can be used - but not limited to - in building office software, web applications, web servers, system tools, databases, etc. In other words, Ruby can be used to do a lot of things but can not be good at all. Sometimes you need specialized languages'