
Get first and last elements of a list in Python - GeeksforGeeks
Feb 21, 2025 · The task of getting the first and last elements of a list in Python involves retrieving the initial and final values from a given list. For example, given a list [1, 5, 6, 7, 4], the first element is 1 and the last element is 4, resulting in [1, 4].
Python slice first and last element in list - Stack Overflow
Aug 31, 2012 · Is there a way to slice only the first and last item in a list? For example; If this is my list: >>> some_list ['1', 'B', '3', 'D', '5', 'F'] I want to do this (obviously [0,-1] is not v...
How to Get the First and Last Elements of a Python List?
Sep 24, 2020 · In this tutorial, we have learned to get the first and last element of a list in Python using index value, slicing method and list comprehension. If you never want to slip up these concepts, do not forget to try them.
python - How do I get the last element of a list? - Stack Overflow
May 30, 2009 · The some_list[-n] syntax gets the nth-to-last element. So some_list[-1] gets the last element, some_list[-2] gets the second to last, etc, all the way down to some_list[-len(some_list)], which gives you the first element.
Finding first and last index of some value in a list in Python
Feb 6, 2009 · Sequences have a method index(value) which returns index of first occurrence - in your case this would be verts.index(value). You can run it on verts[::-1] to find out the last index.
5 Best Ways to Get First and Last Elements of a List in Python
Mar 10, 2024 · This code snippet shows how you can easily grab the first and last items of the list items using indexing, where items[0] gives you the first element, and items[-1] gives you the last element of the list.
Get the Last Element of List in Python - GeeksforGeeks
Dec 10, 2024 · Getting the last element of a list can be done in several ways in Python. The simplest and most efficient method uses negative indexing with a [-1]. In Python, we can use -1 to access the last element directly. Other methods that we can use to get last element of array are: Another way to get the last element is by using pop () method.
Python List Index: Find First, Last or All Occurrences - datagy
Feb 28, 2022 · In this tutorial, you’ll learn how to use the Python list index method to find the index (or indices) of an item in a list. The method replicates the behavior of the indexOf () method in many other languages, such as JavaScript.
How to Get First N Items from a List in Python - GeeksforGeeks
Apr 8, 2025 · Python slice () function is used to get the first N terms in a list. This function returns a slice object which is used to specify how to slice a sequence. One argument is passed in this function which is basically the last index till which we want to print the list. Time Complexity: O (N) where n is the required number of elements.
How to get the First and Last Element of a List in python with …
Dec 31, 2023 · this tutorial explains multiple ways to get the First and Last Elements from begin and end of a list second last with negative and positive indexes in Python examples