title: TypeError: unsupported operand type(s) for -: 'str' and 'str'
body: <p>a'$'</p>
  
  <pre><code>money=1000000;
  portfolio=0;
  value=0;
  value=(yahoostock.get_price('RIL.BO'));
  portfolio=(16*(value));
  print id(portfolio);
  print id(value);
  money= (money-portfolio);
  '''
  </code></pre>
  
  <p>I am getting the error:</p>
  
  <pre><code>Traceback (most recent call last):
    File "/home/dee/dee.py", line 12, in &lt;module&gt;
      money= (value-portfolio);
  TypeError: unsupported operand type(s) for -: 'str' and 'str'
  </code></pre>
  
  <p>Since money is integer and so is portfolio, I cant solve this problem..anyone can help???</p>