def timer( start )
puts "Minutes: " + start.to_s
start_time = Time.now
puts start_time.strftime("Start to_time: %I:%M:%S %p")
start.downto(1) { |i| sleep 60 }
end_time = Time.now
print end_time.strftime("Elapsed time: %I:%M:%S %p")
end
timer 10