title: how to remove words less than 3 characters from the columns
body: <p>I have a pandas dataframe and I want to remove all the stop words from my column</p>
  
  <pre><code>df
        tweets
  0   hey good morning
  1   hey good afternoon
  2   hmm this is good.
  </code></pre>
  
  <p>Desired Output:</p>
  
  <pre><code>           tweets
      0     good morning
      1     good afternoon
      2     this good.
  </code></pre>