Time Ruby

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  4. Create a timer based on Time class and sleep
#!/usr/bin/env ruby
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 1