remove list elements..
Steve Holden
steve at holdenweb.com
Fri Oct 5 11:45:07 EDT 2007
chris.monsanto at gmail.com wrote:
> On Oct 5, 10:27 am, Abandoned <best... at gmail.com> wrote:
>> Hi..
>> I have a problem..
>> list1=[11, 223, 334, 4223...] 1 million element
>> list2=[22,223,4223,2355...] 500.000 element
>>
>> I want to difference list1 to list2 but order very importent..
>>
>> My result must be:
>> list3=[11,334,...]
>>
>> I do this use FOR easly but the speed very imported for me. I want to
>> the fastest method please help me.
>>
>> I'm sorry my bad english.
>>
>> King regards..
>
> Research the "set" data type. :)
>
Probably not a very helpful suggestion given that ordering is stated to
be very important.
regards
Steve
--
Steve Holden +1 571 484 6266 +1 800 494 3119
Holden Web LLC/Ltd http://www.holdenweb.com
Skype: holdenweb http://del.icio.us/steve.holden
Sorry, the dog ate my .sigline so I couldn't cat it
More information about the Python-list
mailing list