Here's the timeit comparison of all the answers with list of 1000 elements on Python 3.9.1 and Python 2.7.16. Answers are listed in the order of performance for both the Python versions.

Sep 20, 2010 · What is the syntax to insert one list into another list in python? [duplicate] Asked 15 years, 3 months ago Modified 6 years, 6 months ago Viewed 351k times

Sep 17, 2016 · In JavaScript, I can use splice to insert an array of multiple elements in to an array: myArray.splice(insertIndex, removeNElements, ...insertThese). But I can't seem to find a way to do …

Insert an item at a given position. The first argument is the index of the element before which to insert, so xs.insert(0, x) inserts at the front of the list, and xs.insert(len(xs), x) is equivalent to xs.append(x).

May 13, 2015 · How to add element in Python to the end of list using list.insert? Asked 10 years, 7 months ago Modified 2 years, 3 months ago Viewed 203k times

Dec 3, 2017 · From the Python3 doc: list.insert(i, x) Insert an item at a given position. The first argument is the index of the element before which to insert, so a.insert (0, x) inserts at the front of the list, and …

Nov 6, 2011 · I'm creating a class where one of the methods inserts a new item into the sorted list. The item is inserted in the corrected (sorted) position in the sorted list. I'm not allowed to use any built-i...

0 I have an empty python list. and I have for loop that insert elements with index but at random (means indices are chosen randomly to insert the item). I tried a simple example, with randomly select …

Apr 14, 2015 · How can I insert an element at the first index of a list? If I use list.insert(0, elem), does elem modify the content of the first index? Or do I have to create a new list with the first elem and t...

Sep 15, 2014 · a.insert(100, 100) [1, 2, 3, 100] as list was originally of size 4 and I was trying to insert value at index 100 , it behaved like append instead of throwing any errors as I was trying to insert in …