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In this article, we are going to explore multiple ways to reverse a list. Python provides several methods to reverse a list using built-in functions and manual approaches. The simplest way to reverse a list is by using the reverse() method. Let’s take an example to reverse a list using reverse() method.
There are three different built-in ways to reverse a list. Which method is best depends on whether you need to: Reverse an existing list in-place (altering the original list variable) Best solution is object.reverse() method; Create an iterator of the reversed list (because you are going to feed it to a for-loop, a generator, etc.)
Python comes with a number of methods and functions that allow you to reverse a list, either directly or by iterating over the list object. You’ll learn how to reverse a Python list by using the reversed() function, the .reverse() method, list indexing, for loops, list comprehensions, and the slice method.
Python List reverse () Method. List Methods. Example Get your own Python Server. Reverse the order of the fruit list: fruits = ['apple', 'banana', 'cherry'] fruits.reverse () Try it Yourself » Definition and Usage. The reverse() method reverses the sorting order of the elements. Syntax. list.reverse () Parameter Values. No parameters.
The reverse() method is an inbuilt method in Python that reverses the order of elements in a list. This method modifies the original list and does not return a new list, which makes it an efficient way to perform the reversal without unnecessary memory uses.
Reversing a list in Python means changing the position of the items in the list. To be more specific, suppose you have a list of numbers like [3, 5, 7, 9]. If you reverse this list of numbers, you get [9, 7, 5, 3]. To reverse the list in that way, Python has several methods or techniques that you can implement to reverse the items of the list.
In this section, you’ll learn how to reverse Python lists using loops, recursion, and comprehensions. The idea is to get a list and create a copy of it in reverse order. Using a Loop. The first technique you’ll use to reverse a list involves a for loop and a list concatenation using the plus symbol (+):
Reversing A List In Python Using Slicing. In Python, we can reverse a list using the negative integer as the Index Jump argument, leaving the Initial and end blank. We must choose the Initial and End values according to a reversed list if the Index Jump value is negative.
Python List reverse () The reverse() method reverses the elements of the list. Example. # create a list of prime numbers. prime_numbers = [2, 3, 5, 7] # reverse the order of list elements. prime_numbers.reverse()
8 Answers. Sorted by: 123. This is my personal favorite way to reverse a string: stra="This is a string"