title: Setting default number format when writing to Excel from Pandas
body: <p>I'm looking to set the default number format when writing to Excel from a Pandas dataframe. Is this possible?</p>
  
  <p>I can set the default date/datetime_format with the following, but couldn't find a way to set the default number format.</p>
  
  <pre><code>writer = pd.ExcelWriter(f'{file_variable}.xlsx', engine='xlsxwriter',datetime_format='MM/DD/YYYY')
  </code></pre>
  
  <p>Otherwise, I assume I'm going to have to assign worksheets to variables and loop through the rows for the specified columns to set the number format.</p>