mk wrote:
> Sneaky Wombat wrote:
> > [ 'VLAN4065',
> > 'Interface',
> > 'Gi9/6',
> > 'Po2',
> > 'Po3',
> > 'Po306',
> > 'VLAN4068',
> > 'Interface',
> > 'Gi9/6',
> > 'VLAN4069',
> > 'Interface',
> > 'Gi9/6',]
>
> Hey, I just invented a cute ;-) two-liner using list comprehensions:
>
> # alist = list above
>
> tmp, dk = [], {}
> [(x.startswith('VLAN') and (dk.setdefault(x,[]) or tmp.append(x))) or
> (not x.startswith('VLAN') and dk[tmp[-1]].append(x)) for x in alist
> if x != 'Interface']
>
> No need to use a nuke like itertools to kill a fly. ;-)
>
> Regards,
> mk
Oh my! You could have at least used some "if else" to make it a little
bit easier on the eyes :-)
[(dk.setdefault(x,[]) or tmp.append(x))
if x.startswith('VLAN')
else dk[tmp[-1]].append(x)
for x in alist
if x != 'Interface']
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