guess.rb

MAX = 10

answer = rand(MAX)

while true do
  print "Guess a number between 0 and #{MAX}: "
  guess = gets.chomp.to_i

  if guess > answer
    puts "\nToo high, try again..."
  elsif guess < answer
    puts "\nToo low, try again..."
  else
    puts "Congratulations, you've guessed the number"
    break
  end 
end