title: how to detect broken links in a csv file
body: <p>i have a 900 rows csv file contain url links , I want to detect which one of them are broken or 404 dead links before I can use scikit-learn . so is there any way I could use python 3.7 and be able to generate a csv file that tells which one is a dead link and which one is active .</p>
  
  <p>hope to find anyone who could help me with that and thanks in advance </p>