以前書いたけど、、BOM付きCSV書込み # -*- coding: UTF-8 -*- import csv import codecs with codecs.open('sample.csv', 'w', 'UTF-8') as f: f.write(u'\ufeff') cf = csv.writer(f) cf.writerow(['A','B','C']) cf.writerow(['あ', 'い', 'う' ]) cf.wri…