[dywang@dywmac zzz]$ vim crawler.py
[dywang@dywmac zzz]$ cat crawler.py
#!/usr/bin/env python
# coding: utf-8
import webbrowser
webbrowser.open('http://dywang.csie.cyut.edu.tw/dywang/rhce7/index.html')
[dywang@dywmac zzz]$ chmod +x crawler.py
[dywang@dywmac zzz]$ ./crawler.py