How to test for type or instance of dict_values?

[Terry Reedy]

On 11/17/2016 9:57 AM, Thorsten Kampe wrote:

> The code in question is part of an attempt to get the dimensions of
> multi-dimensional lists, the `isinstance` is there in order to
> exclude strings.

You can do the exclusion directly.

>
> """
> def dim(seq):
>     dimension = []
>     while isinstance(seq, (list, tuple)):

     while not isinstance(seq, str) # or (str, bytes, ...)

>         dimension.append(len(seq))
>         try:
>             seq = seq[0]
>         except IndexError:  # sequence is empty
>             break
>     return dimension
> """
>
> Thorsten
>


-- 
Terry Jan Reedy