title: how to convert text file to adjancency matrix in python
body: <p>I have text file which includes:</p>
  
  <p>1 2<br>
  1 5<br>
  2 3<br>
  2 5<br>
  3 4</p>
  
  <p>I am new in python, How can I convert those data from .txt into adjacency matrix in python? Many thanks in advance.</p>