class SimpleBenchmarker
    def self.go(how_many=1, &block)
        puts "------------- Benchmarking started -------------"
        block_times_array = []
        start_time = Time.now
        puts "Start Time:\t#{start_time}\n\n"
        how_many.times do |a|
            print "."
            block_start_time = Time.now
            block.call
            block_end_time = Time.now
            block_time = block_end_time - block_start_time
            block_times_array << block_time
        end
        print "\n\n"
        end_time = Time.now
        puts "End time:\t#{end_time}\n"
        puts "------------- Benchmarking finished -------------\n\n"
        puts "Result:\t\t#{end_time.round(2) - start_time.round(2)} seconds\n\n"
        puts "Our runtimes from quickest to slowests are:"
        puts block_times_array.sort
    end
end

print "How many runs will we benchmark? "
userSelectedTimes = gets.chomp.to_i
SimpleBenchmarker.go (userSelectedTimes) do
    time = rand(0.1..1.0)
    sleep time
end