day32.md

第三十二天

索引

• Python标准库--csv
• Python好的文章How To Use Linux epoll with Python
• Python代码片段
• Python读书--None
• Python框架相关--None
• Python项目相关--pyTelegramBotAPI
• Python之外--None

python标准库 csv

1. read

import csv
import sys

with open(sys.argv[1], 'rt') as f:
    reader = csv.reader(f)
    for row in reader:
        print(row)

2. write

import csv
import sys

unicode_chars = 'å∫ç'

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

print(open(sys.argv[1], 'rt').read())