title: How to freeze the top row and the first column using XlsxWriter?
body: <p>I am exporting a pandas <code>DataFrame</code> to Excel, and since it contains a lot of rows and columns, it would be useful to keep the top row and the first column when browsing its contents.</p>
  
  <p>There is a feature present in Excel that allows for freezing the top row and the first column. Is accessible through <code>XlsxWriter</code> when <a href="http://xlsxwriter.readthedocs.io/working_with_pandas.html" rel="noreferrer">exporting DataFrames to excel</a>?</p>