I think on this point at lot of people will have to agree to disagree. The
clear advantage for me is that the `ZeroDivisionError` that is naturally part
of `div` is made explicit and handled in a type safe way (given than one is
using a type checker like mypy). Especially in this example I can't for the
life of me think of a situation where I would not have a `try`/`except`
directly surrounding the regular `div` with exceptions and instead let the
exception bubble up the stack and have something like
```
try:
do_lots_of_arithmetic() # code that calls div and any other similar function
except EveryArithmeticErrorYouCanThinkOf: # very bad design imho.
print('ooops something went wrong')
```
>From a cultural perspective (with python traditionally not being written in
>this style) I think writing code like this at the level of internal library
>code (that the user of the library will not see when using the library) is
>perfectly fine.
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