title: LISP - Converting a string with the representation of an array to an array
body: <p>I have a file which has an bi-dimensional array in each line. I'm having trouble finding a way of parsing the file into actual arrays and them putting them in a list. </p>
  
  <p>the file looks like this, the arrays are in different lines, even though it does not seem to:
  <a href="https://i.stack.imgur.com/5XG6x.png" rel="noreferrer"><img src="https://i.stack.imgur.com/5XG6x.png" alt="file with matrixes"></a></p>