title: export excel with python using xlwt and adjusting width
body: <p>i have exported my list using xlwt :</p>
  
  <pre><code>response = HttpResponse(mimetype="application/ms-excel")
  response['Content-Disposition'] = 'attachment; filename=Countries.xls'
  
  wb = xlwt.Workbook()
  ws1 = wb.add_sheet('Countries')
  
  ws1.write(0, 0, 'Country Name')
  ws1.write(0, 1, 'Country ID') 
  countries = Country.objects.all()
  index = 1
  for country in countries:
     ws1.write(index, 0, country.country_name)    
     ws1.write(index, 1, country.country_id)
     index +=1
  </code></pre>
  
  <p>It generate an Excel file with list of countries but the problem is the columns of the sheet are not adjusted to data generated.
  is there any solution to adjust those columns ?</p>