Python Error

Sun Jul 29 08:30:15 EDT 2012

On Sunday, July 29, 2012 2:57:18 PM UTC+5:30, (unknown) wrote:
> Dear Group,
>>>> I was trying to convert the list to a set, with the following code:
>>>> set1=set(list1)
>>>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,
>>>> set1=set(list1)
>> TypeError: unhashable type: 'list'
>>>> please let me know how may I resolve.
>>>> And sometimes some good running program gives error all on a sudden with no parameter changed, how may I debug it?
>>>> Thanking You in Advance,
>>>> Regards,
>> Subhabrata Banerjee.