title: how to delete all edges with specific weight in igraph python?
body: <p>I am new to Python so sorry if this is so simple,I am trying to delete all <code>edges</code> which its <code>weight</code> is <code>zero</code>but with this code I was just able to delete one edge at a time, How to make it in away that it will delete all the edges ?</p>
  
  <pre><code> ig.summary(graph_like)
  IGRAPH D-W- 5390 40276 -- 
  graph_like.delete_edges("weight"==0);
  ig.summary(graph_like)
  IGRAPH D-W- 5390 40275 -- 
  </code></pre>
  
  <p>thank you in advance</p>