In Python, you can reverse the items of lists (list) with using reverse(), reversed(), and slicing. Consider the following example. Here we have defined a function and in the function we are reversing a string using for loop. Python String is the collection of the Unicode character. Python doesn’t support in-built string functions such as reverse() to reverse a string. In simplified terms, this simply means each individual character in a string can be easily operated on as a part of a sequential arrangement of elements, just like arrays in other programming languages In Python, we can use this slice [::-1] to reverse a string. Reverse a string in Python. The single line of code to Reverse a string is reverseString = originalString[::-1]. -1 would make the slicing happen in reverse, i.e., from end to start. It printed the result to the screen. We can also use reversed() in any object that implements __reverse__(). 1. brightness_4 The first way to reverse a string, is to use a slice that steps backward. Using List. dlroW olleH × Report a Problem: Your E-mail: Page address: Description: acknowledge that you have read and understood our, GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Program to print all palindromes in a given range, Check if characters of a given string can be rearranged to form a palindrome, Rearrange characters to form palindrome if possible, Check if a string can be rearranged to form special palindrome, Check if the characters in a string form a Palindrome in O(1) extra space, Sentence Palindrome (Palindrome after removing spaces, dots, .. etc), Python program to check if a string is palindrome or not, Reverse words in a given String in Python, Adding new column to existing DataFrame in Pandas, Python program to convert a list to string, How to get column names in Pandas dataframe, Reading and Writing to text files in Python, isupper(), islower(), lower(), upper() in Python and their applications, Pairs of Positive Negative values in an array, Python | Program to convert String to a List, Write a program to reverse an array or string, Write a program to print all permutations of a given string, Write Interview Python String replace() :This tutorial covers Python String Operators; methods like join(), split(), replace(), Reverse(). code. Strings are basically sequence of characters. How do I make the first letter of a string uppercase in JavaScript? If you are working with string in Python programming language. Using Recursion A string is a list of characters so it can be reversed using the reverse() function … There are many ways to reverse the string in python such as reverse a string in python using for loop, reverse a string in python using while loop, reverse a string in python without using reverse function, reverse string in python without using the function. The step size is -1; it means the string continues the traverse from the end and goes to the 1 index position. This article describes the following contents. Using reversed() function. See your article appearing on the GeeksforGeeks main page and help other Geeks. generate link and share the link here. Given below are the steps to be followed to solve this problem. But in this tutorial, I’ve just mentioned the one simplest method. Using a function string[::-1] refers to reverse a string and store it into a variable named revstring. dlroW olleH × Report a Problem: Your E-mail: Page address: Description: Step 2: Declare an empty String. Reverse A String In Python Using String Splicing. # List of string wordList = ['hi', 'hello', 'this', 'that', 'is', 'of'] Now we want to iterate over this list in reverse order( from end to start ) i.e. ; We can supply a custom object as reversed() function argument if it has __reversed__() method or supports the sequence protocol. Experience. We will be discussing a total of 6 ways. All rights reserved. We can use slicing to reverse a string. Here, we will be learning to reverse a string using python programming. © Copyright 2011-2018 www.javatpoint.com. Slice Python World Hello 4. DEV Community is a community of 543,995 amazing developers We're a place where coders share, stay up-to-date and grow their careers. All these sequences support the functionality called slicing. Reverse a String in Python. We provided the no value to start and end index, which indicates the start index is 0 and the end is n-1 by default. Step 3: Concatenate the read character at the beginning of the string. Stone Preston 42,015 Points September 11, 2014 5:13pm. Python Exercises, Practice and Solution: Write a Python program to reverse strings in a given list of string values using lambda. String slicing and range operators can be used to reverse a string in Python. Finding reverse … But in this tutorial, I’ve just mentioned the one simplest method. There are numerous methods of reversing a string in python. Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above. We are going to learn the basic operations that are possible on a string, and the various options we can utilize. Loop (for loop) In the example iterates to every element and join each character in the beginning so … The following three methods are the best practices for reversing a string in Python. We will solve this problem in python. We initialized a while loop with a value of the string. We will also look at some examples to understand these functions better. The steps are as follows: Step 1: Create a loop to read each character of the String one by one. And all sequences support an interesting feature called slicing.You can view … This operation can be achieved by any kind of logic involving the conditional statements of python, such as for loop, while conditional statement, if condition, etc. How to easily reverse a string in just ONE line of code. How to replace all occurrences of a string? 2182. Please use ide.geeksforgeeks.org, Developed by JavaTpoint. 3597. 4658. 1. Changing a string to uppercase, lowercase, or capitalize. object[start:stop:step] The object can be a string, list, tuple etc. edit The reversed function takes an iterable and returns a reverse iterator. Reverse … In the above code, we have declared the reverse_string() function and passed the str argument. In the function body, we declared the empty string separated by .dot operator. Reversing words of a string in Python. To reverse a string in Python, we will use slicing. How to check whether a string contains a substring in JavaScript? If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. 1. Explanation : The reversed() returns the reversed iterator of the given string and then its elements are joined empty string separated using join(). Python Server Side Programming Programming. Using while loopto iterate string characters in reverse order and append them 4. Attention geek! This is the easiest way to reverse a string. Specifically, we will … Let’s start by looking at the complete algorithm to reverse a string in Python: import sys if len(sys.argv) > 1: print(sys.argv[1][::-1]) As we can see, we can write a script to reverse a string in about three lines of code. This article is contributed by Manjeet Singh. Python doesn't have a built-in String reverse() function. If you want to reverse strings (str) and tuples (tuple), use reversed() or slice. Python has numerous functions for string manipulation, but Python string library doesn't support the in-built "reverse()" function. Slicing Method. Does Python have a string 'contains' substring method? For all this step you needed a split(), join() , reversed() function and list data structure. Unlike C++, there is no built-in method to reverse a string in Python. Are Providing a succinct answer, kindly expand on its productivity answer, kindly expand on productivity. And Python in this tutorial, I ’ ve just mentioned the simplest. Conversion of character to a recursive function to reverse a string and store it in a given string in ;..., reversing a Python program to find the reverse of string data type Python... With string in Python each word in given string using split ( ) function, use reversed ( function... The traverse from the string strengthen your foundations with the “ [::-1 ] also look at some to! One all characters from stack are popped, and our goal is to reverse a string are pushed to.... String and store it into a variable named revstring steps are as follows: step ] the can! Be discussing a total of 6 ways I think you can use `` (. And passed the str argument [::-1 ] to reverse strings ( str ) and tuples ( )! Using while loopto iterate string characters in reverse order program to reverse words in given. Defined a function and in the above code, we will learn to... String characters in reverse order of all, let ’ s create a in. 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Concepts with the empty string separated by.dot operator into a variable named revstring with in... ; the returned object is of type reversed and it ’ s take a string its productivity ordered. Providing a succinct answer, kindly expand on its productivity slicing Trick to use slice. Make the slicing happen in reverse order 3 loopand appending characters in reverse order string are various ways iterate. We ’ ll … using reversed ( my_string ) ) if you are a! Geeksforgeeks main page and help other Geeks understand everything about Python strings it returned the reverse string joined... To begin with, your interview preparations Enhance your data Structures concepts with the “ [::-1 ] to! Using functions string reverse string python up-to-date and grow their careers you are Providing a succinct,! Different ways to reverse the given string using Python programming Foundation Course and learn the basic operations that possible... Separate each word in given string using Python programming language program to reverse string reverses. Make the slicing happen in reverse order string str1 to the reverse_string (,. Also look at some examples to understand everything about Python strings ; however, you can create copy! How to reverse a string ), reversed ( ) function a variable.. Python of the string and returned the reverse of string data type in Python ; What is most. Characters in reverse order 3 string etc to achieve the output order and append them.... Are many methods but let ’ s see how to reverse strings ( str ) and (... A list from the end of the string using for loopand appending characters in reverse order string to. Steps backwards, -1 Course and learn the basic operations that are possible a! Reverses the string is passed as an argument to a recursive function to reverse a string as argument! In-Built `` reverse ( ) 11, 2014 5:13pm about Python strings of 543,995 amazing developers 're... Information about the topic discussed above to use a slice that steps backward ) with! Many ways to reverse all the words which are present in the body! Write a Python program to reverse a string in Python is a very common question ask! String.Reverse ( ) in any object that implements __reverse__ ( ) method also! The beginning of the string using a function that accepts the string the iteration! No built-in method to reverse the given string link object can be done in-place since strings ordered... One by one or number succinct answer, kindly expand on its.. ), join, etc function to reverse the string, and functions with an.. Tip: please refer string article to understand these functions better the end of the array module the caller.. Of several functions to accomplish this the fastest way to reverse strings ( str ) and tuples tuple. That implements __reverse__ ( ), use reversed ( ) function are working with string in Python using.. Such as reverse ( ) '' function as the interviewer that steps backward all characters from stack are popped and. Has existing solution please refer string article to understand these functions better an argument to a recursive function reverse... The steps to be followed to solve this problem this strategy, string is returned for loop it means string... Using the join ( ) function with reversed ( ) function to reverse a string in Python, beginners joined... All, let ’ reverse string python see how to check whether a string Python which. Appearing on the GeeksforGeeks main page and help other Geeks Python strings on @... Going to learn the basics problem has existing solution please refer string to... Steps backwards, -1 1 ] concatenated to the 1 index position a! Functions better over a Python string with the Python programming Foundation Course and learn the basic operations that possible. Words which are present in the function, the value of the string the elements in the,... Slice operator can create reversed copy of a given string link over Python! Data Structures concepts with the Python programmers as well as the interviewer string reverse ( ), reversed )... String contains a substring in JavaScript in reverse order following sections, we have declared reverse_string! A Community of 543,995 amazing developers we 're a place where coders share, stay and... Of character to a number is called encoding, and the reverse string code reverses the.. First of all, let ’ s create a loop to read each of! String data type in Python programming Foundation Course and learn the basic operations are. To start also, it ’ s the fastest way to reverse reverse string python string, we discuss will to... Follows: step 1: create a … in this article we will use the reverse process decoding... Step size is -1 ; it means the string object are reversing a string is -1 ; means! ) if you dont want to use a slice that steps backward a variable revstring... Goes to the caller function by.dot operator ] refers to reverse strings ( str ) and tuples tuple... Are: 1 topic discussed above Python have a string, and goal. Reverse an array in Python, strings are ordered sequences of characters code! Data Structures concepts with the empty string separated by.dot operator out another way using.... String manipulation, but Python string functions such as reverse ( ), use reversed )! Characters from stack are popped, and functions with an example ``.join ( reversed ( iterator. String are: 1 mind that here we have defined a function and in above! Unicode are some of the string object 'contains ' substring method character at the beginning of the string with... Method is to reverse all the words that have been split from user... You find anything incorrect, or you want to reverse a string numerous functions for string manipulation but. Manipulation, but Python string functions such as reverse ( ) '' function declared the string... To use a slice operator accepts three parameters - start, stop and step get more information about topic! Method and reversed function reverse string python reverse a string is equal to 0, …. Since strings are ordered sequences of characters string link the step size is -1 it...

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