There is no built-in function to reverse a String in Python. The fastest (and easiest?) way is to use a slice that steps backwards,-1. ExampleGet your own Python Server Reverse the string "Hello World": txt ="Hello World"[::-1] ...
This article explains how to reverse a String in Python using slicing.There is no built-in string.reverse() function. However, there is another easy solution.Use Slicing to reverse a String¶The recommended way is to use slicing.my_string = "Python" reversed_string = my_string[::-1] ...
The easiest and fastest way to reverse a string in Python is to use the slice operator [start:stop:step]. When you pass a step of -1 and omit the start and end values, the slice operator reverses the string. A more verbose, but readable (and slower) version of the string reversal ...
2. [::-1] as function The same slice[::-1], and it implements as a function. defreversed_string(val, start=None, stop=None):returnval[start:stop:-1]print(reversed_string("abcdefghijk"))# k j i h g f e d c b aprint(reversed_string("abcdefghijk", -2,4))# j i h g fC...
Original String is: PythonForBeginners Reversed String is: srennigeBroFnohtyP Reverse string using recursion To use recursion to reverse a string, we will use the following procedure. Suppose we define a function reverseString(input_string) to reverse the string. First we will check if the inpu...
Python Code: # Define a function named 'reverse' that takes an iterable 'itr' as input and returns its reversedefreverse(itr):# Using slicing with [::-1] reverses the input 'itr' and returns the reversed versionreturnitr[::-1]# Initialize a string variable 'str1' with the value '123...
1 Python 解法一:reverse 函数 ## LeetCode 344E - Reversing String, 简单做法 reverse from typing import List class Solution: def reverseString(self, s: List[str]) -> None: """ 不返回任何结果,直接修改目标字符串 """ s.reverse() 翻转除了 reverse 可以实现,[::-1]也是可以的。 不过这么写...
Python program to print the reverse of a string that contains digits # function definition that will return# reverse string/digitsdefreverse(n):# to convert the integer value into strings=str(n)p=s[::-1]returnp# now, input an integer numbernum=int(input('Enter a positive value: '))#...
Python program to reverse a string using stack and reversed() method importsysdefpush(element,size,stack):'''this function is used to push the elementsin the stack and it will return Error! messageif the stack is full and terminate the program.'''globaltopiftop>=size-1:print('Stack Overf...
刚接触python不久,被python的简洁强大迷倒了,在做leetcode,Reverse words in a string时,刚开始还是传统的思路想着怎么处理空格问题一直测试不通过,写的很罗嗦被师弟吐槽说你写的代码好丑,好心塞。 废话不多说直接奉上思路代码: 翻转字符串如:"Hello I am echo",输出"echo am I Hello" ...