person = {
name: "Alice",
age: 25,
city: "Kathmandu"
}
person.each do |key, value|
puts "#{key.capitalize}: #{value}"
end
puts "Name in uppercase: #{person[:name].upcase}"Coding works best on desktop or with an external keyboard.
Shows how to create and iterate through hashes using Ruby's symbol keys.
person = {
name: "Alice",
age: 25,
city: "Kathmandu"
}
person.each do |key, value|
puts "#{key.capitalize}: #{value}"
end
puts "Name in uppercase: #{person[:name].upcase}"Ruby is a dynamic, object-oriented, high-level programming language designed for simplicity, productivity, and readability. It emphasizes developer happiness and convention over configuration, widely used for web development, scripting, automation, and backend systems.
Origin & Creator
Created by Yukihiro 'Matz' Matsumoto in 1995 in Japan. Designed to maximize developer happiness by blending Perl, Smalltalk, Eiffel, Ada, and Lisp influences into an elegant, readable syntax.
Industrial Note
Ruby dominates web startups, SaaS platforms, rapid prototyping, automation, and DevOps tooling (Chef, Puppet). Ruby on Rails accelerates development, making it a top choice for MVPs and web platforms like GitHub, Shopify, and Basecamp.