Python Error

[subhabangalore at gmail.com]

On Sunday, July 29, 2012 2:57:18 PM UTC+5:30, (unknown) wrote:
> Dear Group,
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> 
> I was trying to convert the list to a set, with the following code:
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> set1=set(list1)
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> 
Dear Peter,
Thanks for the answer. But my list does not contain another list that is the issue. Intriguing. Thinking what to do. 
Regards,
Subhabrata. 
> the code was running fine, but all on a sudden started to give the following error,
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> set1=set(list1)
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> TypeError: unhashable type: 'list'
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> please let me know how may I resolve.
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> And sometimes some good running program gives error all on a sudden with no parameter changed, how may I debug it?
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> Thanking You in Advance,
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> 
> 
> Regards,
> 
> Subhabrata Banerjee.