how to remove 50000 elements from a 100000 list?

Ju Hui phpbird at gmail.com
Sat May 6 16:44:58 CEST 2006


to Andrew Gwozdziewycz:
Real humor...
Peter Otten:
thanks your reminder, in my project, a will a superset of b.
so symmetric_difference equals difference.
thank you all again!




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