how to discover what values produced an exception?

[Thomas Passin]

On 5/3/2024 9:56 AM, Johanne Fairchild via Python-list wrote:
> How to discover what values produced an exception?  Or perhaps---why
> doesn't the Python traceback show the values involved in the TypeError?
> For instance:
> 
> --8<-------------------------------------------------------->8---
>>>> (0,0) < 4
> Traceback (most recent call last):
>    File "<stdin>", line 1, in <module>
> TypeError: '<' not supported between instances of 'tuple' and 'int'
> --8<-------------------------------------------------------->8---
> 
> It could have said something like:
> 
> --8<-------------------------------------------------------->8---
> TypeError: '<' not supported between instances of 'tuple' and 'int'
>    in (0,0) < 4.
> --8<-------------------------------------------------------->8---
> 
> We would know which were the values that caused the problem, which would
> be very helpful.

In this example it would not help at all to know the actual values. 
Knowing that you are trying to compare incomparable types is enough.