title: Convert string to variable name in python
body: <p>I have any string. like 'buffalo',</p>
  
  <pre><code>x='buffalo'
  </code></pre>
  
  <p>I want to convert this string to some variable name like,</p>
  
  <pre><code>buffalo=4 
  </code></pre>
  
  <p>not only this example, I want to convert any input string to some variable name. How should I do that (in python)?</p>