Going crazy...

[Jan Danielsson]

Gary Herron wrote:
[---]
>>   I just tried typing the above in Python, and it - obviously - doesn't
>> work, so it must be some other syntax.
>>  
>>
> Not with tuples, lists or dictionaries.  However a more recent addition
> to the language is Sets, and they support set differences:
> 
>>>> from sets import Set
>>>> Set([1,2,3,4,5,6]) - Set([2,3,6])
> Set([1, 4, 5])

   That's it! Thanks; I knew I had seen it. That's a pretty cool
feature; which I have use for in a library I'm writing.