python包讲解之——csv包的读写

csv包

读取csv文件数据

import csv
with open('./input.csv', 'r') as f:
	reader = csv.reader(f)
	for line in reader:
		print line

写入csv文件

import csv
data_title = ['name', 'sex', 'age']
data_list = [
['name0', 'm', '20'],
['name1', 'w', '21'],
['name2', 'm', '22'],
['name3', 'w', '23'],
['name4', 'm', '24'],
['name5', 'w', '25'],
]
with open('./output.csv', 'w') as f:
	writer = csv.writer(f)
	writer.writerow(data_list[0])
	writer.writerow(data_list[1])
	writer.writerows(data_list[2:])