check the availability of all the pages of a website recursively
# clone the code from github
git clone https://github.com/cs50Mu/sohu-poller.git
# install the requirements
cd sohu-poller
pip install -r requirements.txt
# run it
python poller.py
thread_num
the number of threadsbase_url
the url of the website that you want to checktimeout
request timeout