CSVCombine

#!/usr/bin/python
import csv
import glob
import os
import sys

input_path = sys.argv[1]
output_file = sys.argv[2]

my_columns = ['Street', 'Booked?', 'Notes']

for input_file in glob.glob(os.path.join(input_path, '*.csv')):
        with open(input_file, 'rU') as csv_in_file:
                filereader = csv.reader(csv_in_file, delimiter=',')
                filewriter = csv.writer(output_file, delimiter=',')
                header = next(filereader, None)
                header_list_output =[]
                for index_value in range(len(header)):
                    if header[index_value] in my_columns:
                        header_list_output.append(header[index_valuex`])
                filewriter.writerow(header_list_output)
                for row in filereader:
                    row_list_output=[]
                    for index_value in range(len(header)):
                        if header[index_value] in my_columns:
                            row_list_output.append(row[index_value])
                    filewriter.writerow(row_list_output)