program1.rb

def greeting
  if 5 + 5 == 10
    puts "this is true"
  else
    puts "this is false"
  end
end  

greeting

program2.rb

def choose
  puts "Do you like programming? Yes, no, or maybe please."
  choice = gets.chomp
  case choice.downcase
  when "yes"
    puts "That's great!"
  when "no"
    puts "That's too bad!"
  when "maybe"
    puts "Glad you are giving it a chance!"
  else
    puts "I have no idea what that means."
  end
end
choose