title: how to concatenate a string and a variable and assign a value in it in python
body: <p>Is there anyway to assign value in concatenated variable?</p>
  
  <p>I want to <code>concatenate</code> and assign a value in it.</p>
  
  <pre><code>for i in range (5):
      'serial_' + str(i) = i+5
  </code></pre>
  
  <p>that showing <code>SyntaxError: can't assign to operator</code></p>