title: Capitalize first letter of each word in a dataframe column
body: <p>how do you capitalize the first letter of each word in the column? I am using python pandas by the way. For example, </p>
  
  <pre><code>         Column1
           The apple
           the Pear
           Green tea
  </code></pre>
  
  <p>My desire result will be:</p>
  
  <pre><code>         Column1
           The Apple
           The Pear
           Green Tea
  </code></pre>