On 2011/11/17 11:59 AM, lina wrote:
list1
[['61', '34', '61', '34'], ['61', '35', '61', '70', '61'], ['61',
'70', '61', '34'], ['34', '58', '34', '58']]
weight={}
weight{list1[0]}=1
SyntaxError: invalid syntax
weight[list1[0]]=1
Traceback (most recent call last):
File "<pyshell#292>", line 1, in<module>
weight[list1[0]]=1
TypeError: unhashable type: 'list'
I wonder how to count the occurence of the list of lists.
Thanks, ^_^
_______________________________________________
Tutor maillist - Tutor@python.org
To unsubscribe or change subscription options:
http://mail.python.org/mailman/listinfo/tutor
sum(1 if type(elem) == list else 0 for elem in list1) not work for you
if all you want to do is count how many lists you have in your main list ?
--
Christian Witts
Python Developer
//
_______________________________________________
Tutor maillist - Tutor@python.org
To unsubscribe or change subscription options:
http://mail.python.org/mailman/listinfo/tutor
