python-标准库练习

# time，计算2天前的时间

now_timestamp = time.time()
two_day_before = now_timestamp - 60*60*24*2
two_days_local = time.localtime(two_day_before)

time.strftime('%Y-%m-%d %H:%M:%S',two_days_local)

# urllib

import urllib.request
response = urllib.request.urlopen("http://www.baidu.com")
print(response.status)
print(response.read())