用Python新建csv文件

Question

import csv
csvfile = open('csvtest.csv', 'wb')
writer = csv.writer(csvfile)
writer.writerow(['id', 'url', 'keywords'])
data = [
  ('1', 'http://www.xiaoheiseo.com/', '小黑'),
  ('2', 'http://www.baidu.com/', '百度'),
  ('3', 'http://www.jd.com/', '京东')
]
writer.writerows(data)
csvfile.close()

代码如上，但是提示：

请指导

Answer 1

csvfile = open('csvtest.csv', 'w')

Answer 2

This is how you open it with wb. Try w