Just a quick one

[Russell Blau]

"M. Clift" <noone at here.com> wrote in message
news:cgi2qq$rvp$1 at news6.svr.pol.co.uk...
> Hi,
>
> Just a quick one. I'm trying to call [Bob','One'] with this, but I keep
> getting 'unhashable'. I've tried various ' " and [ and can't get the thing
> to work. Any offers?

...

> nextName = {['Bob','One']:['Rita','Sue'],\
>               'Rita':['Mary','Sue',['Bob','One']],\
>               'Sue':['Rita','Mary',['Bob','One']],\
>               'Mary':['Sue','Rita']}

['Bob', 'One'] is a list.

You can't use a list as a dictionary key, because it is 'unhashable'.

Try ('Bob', 'One'), which is a tuple, instead.

See
http://www.python.org/doc/current/tut/node7.html#SECTION007400000000000000000
(the first paragraph in 5.4).


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