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Groups > comp.lang.python > #29847

Re: 'str' object does not support item assignment

Date 2012-09-23 19:47 +0100
From MRAB <python@mrabarnett.plus.com>
Subject Re: 'str' object does not support item assignment
References <ec85c16b-086b-4b43-aba3-70a05f34cf69@googlegroups.com>
Newsgroups comp.lang.python
Message-ID <mailman.1147.1348426062.27098.python-list@python.org> (permalink)

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On 2012-09-23 19:31, jimbo1qaz wrote:
> spots[y][x]=mark fails with a "'str' object does not support item assignment" error,even though:
>>>> a=[["a"]]
>>>> a[0][0]="b"
> and:
>>>> a=[["a"]]
>>>> a[0][0]=1000000
> both work.
> Spots is a nested list created as a copy of another list.
>
The error suggests that spots[y] is actually a string. Printing
repr(spots) and repr(spots[y]) should tell you whether it is.

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Thread

'str' object does not support item assignment jimbo1qaz <jimmyli1528@gmail.com> - 2012-09-23 11:31 -0700
  Re: 'str' object does not support item assignment jimbo1qaz <jimmyli1528@gmail.com> - 2012-09-23 11:36 -0700
  Re: 'str' object does not support item assignment Ian Kelly <ian.g.kelly@gmail.com> - 2012-09-23 12:45 -0600
  Re: 'str' object does not support item assignment MRAB <python@mrabarnett.plus.com> - 2012-09-23 19:47 +0100
    Re: 'str' object does not support item assignment jimbo1qaz <jimmyli1528@gmail.com> - 2012-09-23 11:55 -0700
    Re: 'str' object does not support item assignment jimbo1qaz <jimmyli1528@gmail.com> - 2012-09-23 11:55 -0700
  Re: 'str' object does not support item assignment Andrea Crotti <andrea.crotti.0@gmail.com> - 2012-09-23 19:48 +0100
  Re: 'str' object does not support item assignment Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-09-23 20:11 +0100

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