import csv
import logging
import sys

logging.basicConfig(stream=sys.stderr, level=logging.INFO)


if __name__ == "__main__":
    fieldnames = ["Title 1", "Title 2", "Title 3", "Title 4"]
    headers = {n: n for n in fieldnames}

    unicode_chars = "中国人"

    with open(sys.argv[1], "wt", encoding="utf-8") as f:
        writer = csv.DictWriter(f, fieldnames=fieldnames)
        writer.writeheader()
        for i in range(3):
            writer.writerow(
                {
                    "Title 1": i + 1,
                    "Title 2": chr(ord("a") + i),
                    "Title 3": "08/{:02d}/07".format(i + 1),
                    "Title 4": unicode_chars[i],
                }
            )

    logging.info("%s", open(sys.argv[1], "rt").read())