(An Unofficial) Python Tutorial Wiki

putting the community back in "maintained by the community"

4dwr

This section reinforces the belief that exceptions are errors, which makes it particularly hard for newbies to understand that they are more useful and powerful than that.

Other questions -- how to ignore exceptions? The tiny but about pass doesn't quite say it. and if you are going to raise a system error, which one should you use? People confuse ValueError and TypeError all the time.