11 авг. 2013 г. · If I understood the question correctly, you can use the slicing notation to keep everything except the last item: record = record[:-1].

2 июн. 2019 г. · As per mentioned in the Python wiki. Time complexities are as follows: Pop last O(1); Delete Item O(n); Set Slice O(k+n). Experimental Study.

13 апр. 2019 г. · .remove removes the first occurrence of an item. You could do something like del my_list[len(my_list) - 1]. Or simply: del my_list[-1].

7 апр. 2018 г. · The most efficient would be by iterating the list in reverse order, find the value 2, delete it and break the loop.

15 дек. 2014 г. · Delete only the last element's last element, like this listadr = [['a', 'b'], [1, 2]] del listadr[-1][-1] print(listadr) # [['a', 'b'], [1]].

28 нояб. 2017 г. · If you want to remove the last elements you dont need to pass a parameter to pop. Just call a.pop() twice.

29 окт. 2020 г. · I am trying to empty out list A by removing one element at a time starting from the end. I cannot seem to reduce the list to an empty one and I would like to ...

20 авг. 2016 г. · I just simply want to remove all the elements in the python list one by one by remove() method, but find out that does not work.

5 июл. 2012 г. · Assuming all your list items are strings with spaces as delimiters, here is how you can remove the first and last group of characters from each string in the ...

30 мар. 2013 г. · If you wish to remove the last n elements, in other words, keep first len - n elements: lst = lst[:len(lst)-n] Note: This is not an in memory operation.