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[Papa Tana]

Hi,

I receive Msg from some device in the network, and Msg exist only in 2
versions, like below :

Version1:
-------------
Msg = [{outnum,"configure"}].

OR

Version2:
-------------
Msg =
[{outnum,"configure"},
 {innum, challenge,"Rand","Kc"},
 {innum, response ,"Rand","Sres"}].

I tried to make a list comprehension but the structure of each item is
different depending it's a outnum(2) or an innum(4).

I need to process the Msg list, so that:

 - if Msg is type Version 1, ie contains outnum ONLY, do action for outnum;
 - if Msg contains BOTH innum + outnum (Version2), do action inoutnum;

Can anyone advice please?

Thanks,