[Tutor] print method in Python2.7 problem

[Mark Lawrence]

On 15/03/2015 17:40, Mark Lawrence wrote:
> On 15/03/2015 16:46, Doug Basberg wrote:
>
> Nothing because it was in a completely unnecessary attachment (some
> people won't even receive it), so here's the code.
>
> Stat = {'Vbatt': 51.24, 'Ichrg': 6.75}
>
> print '   <td style="text-align: center;">SOLAR PANEL VOLTAGE</td>'
> print('    DSB "HI;" %s') % (str(Stat['Vbatt']))
> print('   <td style="width: 50%; text-align: center;">%s</td>') %
> (str(Stat['Vbatt']))
>
> He also didn't bother specifying the actual problem,but like others here
> we just love guessing games.  So I'll go for:-
>
> TypeError: unsupported operand type(s) for %: 'NoneType' and 'str'
>
> Print in 2.7 is a statement so the first one is fine.  The second (and
> third) you're trying to apply the % operator to the print statememt
> which by definition is None, hence the error.  You also don't need the
> call to str so put it all together it simply becomes.
>
> print '    DSB "HI;" %s' % Stat['Vbatt']
>
> I'll leave you to come back with the next problem as I haven't worked
> out what the solution is yet :)
>

Having read Steven D'Aprano's reply I have now, I was mixing Python 2 
and 3, whoops, sorry about that!!!

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence