Oct 31, 2008 · What is the difference between the list methods append and extend? .append() adds its argument as a single element to the end of a list. The length of the list itself will …

ary.extend (ext) merely adds reference to "ext" list to the end of the "ary" list, resulting in less memory transactions. As a result, .extend works orders of magnitude faster and doesn't use …

0.297003984451 #append 0.344678163528 #extend-list 0.292304992676 #extend-tuple Although tuple still consistently beats the list version and barely edges out the append version for all of …

May 2, 2015 · This seems like overkill haha @BrendanMetcalfe Although seemingly an overkill, this will behave the way OP expected extend to Downvoting. It's overkill to use numpy if …

Sep 28, 2022 · I understand that in order to execute extend, it must first evaluate the generator expression, which in turn references the original list. But here's how I would assume it works …

The iadd (+=) and extend methods operate in-place, so a copy has to be generated each time before testing. To keep things fair, all methods have a pre-copy step for the left-hand list which …

Sep 11, 2011 · I'm looking for the most pythonic way to implement a version of the list extend function, where it extends to a given index instead of the end of the list. a_list = [ "I", "rad", …

Jun 20, 2019 · To recap on the previous answers. If you have a list with [0,1,2] and another one with [3,4,5] and you want to merge them, so it becomes [0,1,2,3,4,5], you can either use …

How can I use a list comprehension to extend a list in python? [duplicate] Asked 14 years, 5 months ago Modified 6 years, 11 months ago Viewed 15k times

Mar 18, 2013 · Ruby has something like this where if you actually want to change the original list you'd do something like: li.extend!([5,6,7]) otherwise it would just give you the result without …