'Add a new worksheet to the Excel workbook.
Args:
name: The worksheet name. Defaults to \'Sheet1\', etc.
Returns:
Reference to a worksheet object.'

def add_worksheet(self, name=None, worksheet_class=None):

    if (worksheet_class is None):
        worksheet_class = self.worksheet_class
    return self._add_sheet(name, worksheet_class=worksheet_class)
