title: How to open a text file as a character matrix in python?
body: <p>I have a .fa file which contains a list of secuences of nucleotids. It is something like this</p>
  
  <blockquote>
    <p>AGCTAGAGAGACTAGACTAGA</p>
    
    <p>GATCAGTACATGATCTAGGAT</p>
    
    <p>GATAGTACATGGGGGATAGAC</p>
  </blockquote>
  
  <p>I need to somehow open the file in python and make a 2-dim array which contains as rows the lines of the .fa file and in each column a letter of the file. Thanks for any help!!!!</p>