a.extend(b) better than a+=b ?

candide candide at free.invalid
Thu Apr 22 09:10:42 CEST 2010


Suppose a and b are lists.

What is more efficient in order to extend the list a by appending all 
the items in the list b ?


I imagine a.extend(b)to be more efficient for only appendinding the 
items from b while a+=b creates a copy of a before appending, right ?



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