Python 3.7.4 (default, Jul 9 2019, 18:13:23)
[Clang 10.0.1 (clang-1001.0.46.4)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import cs61a
>>> def load_page(url):
...   try:
...     page = cs61a.get(url)
...     page.display()
...   except:
...     print("404 Page Not Found")
...
>>>