Python 标准库 csv —— csv 文件的读写

1. 写入并生成 csv 文件

import csv

with open('test.csv', 'w') as f:
writer = csv.writer(f)

# 写入表头，表头是单行数据
writer.writerow(['name', 'age', 'tel'])

data = [
('zhangsan', 20, 'xxxx'),
('lisi', 22, 'xxxx')
]

# 写入这些多行数据
writer.writerows(data)

with open('', 'wb')

TypeError: a bytes-like object is required, not 'str' when writing to a file