title: rm() function of r alternative in python
body: <p>How to remove the variables in python to clear ram memory in python?</p>
  <p><strong>R</strong> :</p>
  <pre><code>a = 2 
  rm(a)
  </code></pre>
  <p><strong>Python</strong>:</p>
  <pre><code>a = 2
  </code></pre>
  <p>How to clear the single variables or a group of variables?</p>