[Tutor] Livewires - stuck on a class

[Tonu Mikk]

Alan Gauld wrote:
> "Tonu Mikk" <tmikk at umn.edu> wrote
>
>   
>> I create more robots in this way which seems to work:
>> class Robot:
>>    pass
>>     
>
> By using an empty class you are losing m,uch of the power of classes.
>
>   
I would need to learn more to handle the classes better.  In this case, 
I am following the Livewires tutorial pretty closely which uses an empty 
class.
>> def move_robot():
>>    for x in robots:
>>        while 1:
>>            if robot.x + 0.5< player.x and robot.y +0.5< player.y:
>>     
>
> You are doing *for x in robots* but then moving *robot* not x.
>   
Yes, that was my mistake.  I changed the line to "for robot in robots:" 
and now it works!
>
> Also it would be better IMHO to use if/elif rather than all those 
> if/breaks.
>   
I followed your advice here.  It does make the code a bit more clear.

Thanks a lot,

Tonu