Add a new column when I extract each sheet in an Excel workbook as a new csv file

[shantanu97]

Below is a python script is to extract each sheet in an Excel workbook as a new csv file.Want to Add a new column when I extract each sheet in an Excel workbook as a new csv file. The new column is added at the end of last column of every file. Can anyone help me how to do this??

'''This python script is to extract each sheet in an Excel workbook as a new csv file'''
import csv
import xlrd
import sys
import pandas as pd

def ExceltoCSV(excel_file, csv_file_base_path):
    workbook = xlrd.open_workbook(excel_file)
    for sheet_name in workbook.sheet_names():
        print('processing - ' + sheet_name)
        worksheet = workbook.sheet_by_name(sheet_name)
        csv_file_full_path = csv_file_base_path + sheet_name.lower().replace(" - ", "_").replace(" ","_") + '.csv'
        csvfile = open(csv_file_full_path, 'w')
        writetocsv = csv.writer(csvfile, quoting = csv.QUOTE_MINIMAL)
        for rownum in range(worksheet.nrows):
            writetocsv.writerow(
                list(x.encode('utf-8') if type(x) == type(u'') else x for x in worksheet.row_values(rownum)
                )
            )
            #writetocsv.writerow(rownum.append(sheet_name)) #Adding a new column
        csvfile.close()


if __name__ == '__main__':
    ExceltoCSV(excel_file = sys.argv[1], csv_file_base_path = sys.argv[2])