def ask(question, default_answer = '')
      return default_answer if FalkorLib.config[:no_interaction]
      print "#{question} "
      print "[Default: #{default_answer}]" unless default_answer == ''
      print ": "
      STDOUT.flush
      answer = STDIN.gets.chomp
      (answer.empty?) ? default_answer : answer
    end
def ask(question, default_answer = '')
      return default_answer if FalkorLib.config[:no_interaction]
      print "#{question} "
      print "[Default: #{default_answer}]" unless default_answer == ''
      print ": "
      STDOUT.flush
      answer = STDIN.gets.chomp
      (answer.empty?) ? default_answer : answer
    end
Interaction functions  

 Ask a question