title: Create a bash program that lists only files that were modified in the last year
body: <p>I want to create a bash program that lists only files that were modified in the last year.</p>
  
  <blockquote>
    <p>Hint: the <code>-l</code> output of ls will be helpful</p>
  </blockquote>
  
  <p>This is from my class exercise but I don't know how to start. Please help.
  Thank you in advance.</p>