[Tutor] function error

[roberto]

On Tue, Sep 28, 2010 at 12:35 PM, Nitin Das <nitin.162 at gmail.com> wrote:
> It seems that ur turtle.position doesn't return a list because of this when
> indexing is done on that u get this kind of error.
> --nitin

it seemed to me that kind of error but then i found that it was a
list, as expected:

$  type(turtle.position())
$ <type 'list'>
$ abs(turtle.position()[0])
   13.858469413370102

that's why i'm going crazy ...

>
> On Tue, Sep 28, 2010 at 3:39 PM, Alan Gauld <alan.gauld at btinternet.com>
> wrote:
>>
>> "roberto" <roberto03 at gmail.com> wrote
>>
>>> i have the following error when i call this function:
>>>  20 def outOfBounds():
>>> ---> 21         if abs(turtle.position()[0]) >
>>> turtle.window_height()/2 or abs(turtle.position()[1]) >
>>> turtle.window_width()/2:
>>>    22                 return "true"
>>>    23         else:
>>>
>>> TypeError: 'function' object is unsubscriptable
>>>
>>> but i can't really figure out where is the problem with this function
>>> 'unsubscriptable';
>>
>> This means you are trying to use [] on a function.
>> eg you might be doing turtle.position[1] instead of turtle.position()[1]
>>
>> I can't see it in your code sample but I'd check carefully that your
>> parens() all balance correctly and are in the right place...
>>
>> HTH,
>>
>>
>> --
>> Alan Gauld
>> Author of the Learn to Program web site
>> http://www.alan-g.me.uk/
>>
>>
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>
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-- 
roberto