dictionary_sort.rb

puts "Type a word:"
list = []

while true
  input = gets.chomp
  break if input == ""

  list << input

  puts "Type another word (or press enter to finish):"
end

puts "Congratulations! Your dictionary has #{list.length} words:"
list_sorted = list.sort do |a, b|
  a.upcase <=> b.upcase
end
puts list_sorted