[Tutor] list question

[Ataulla S H]

On Tue, Aug 11, 2009 at 5:47 PM, <proportional at msn.com> wrote:

>  hi i am currently doing the 'livewires' python tutorial lesson 5. i am
> making a little game that makes a few squares chase a circle around a little
> grid. i can get the 1 square acting on 1 variable to come up, but the
> tutorial now wants me to create a list of variables that act under the same
> class.
>
> this is what i have to make the 1 square appear (which works)(i have also
> cut a lot of the program out to make this email smaller.)
>
> class Robot:
>     pass
>
> def place_robot():
>     global robot
>     robot = Robot()
>     robot.x=random_between(0,63)
>     robot.y=random_between(0,47)
>     draw_robot()
>     print robot.x
>
> and i cant figure out what to write to make the variable 'robot' work as a
> list, and then follow all the instructions 3 times. this is what i tried to
> put in.
>
> class Robot:
>     pass
>
> def place_robot():
>     global robot
>     r1 = Robot()
>     r2 = Robot()
>     r3 = Robot()
>     robot = [r1,r2,r3]
>
          mydict = {}
          x=random_between(0,63)
          y=random_between(0,47)
         mydict[str(robot)] = {'x':x,'y':y}


>     #robot.x=random_between(0,63)
>     # robot.y=random_between(0,47)
>     draw_robot()
>     print robot.x
>
> i was under the assumption that the instruction
> robot.x=random_between(0,63) would return a value 3 times for r1 r2 and r3,
> but instead i get AttributeError: 'list' object has no attribute 'x'. so i
> got no idea heh. i hope this makes sense, as im really new to programming.
> thanks if anyone can help.
>
> _______________________________________________
> Tutor maillist  -  Tutor at python.org
> http://mail.python.org/mailman/listinfo/tutor
>
>


-- 
Ataulla SH

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personal blog:www.ataulla.objectis.net
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