[Tutor] Impossible Else as Exception

[Mark Lawrence]

On 09/04/2013 20:22, Jordan wrote:
> I want to know what exception should be raised if there is a bug in my
> code that allows an else statement to be triggered, because the else
> condition in my code should be impossible, unless there is an error in
> my code.  What exception should I raise so that if my code is wrong it
> will raise an exception which will give me a trace back?  Which would be
> most Pythonic?
>
> Example:
>
> if condition is 1:
>      do something with 1
> elif condition is 2:
>      do something with 2
> else: # Impossible unless the code above is flawed.
>      Raise Exception
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The RuntimeError builtin see 
http://docs.python.org/3/library/exceptions.html#RuntimeError.

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Mark Lawrence