Hướng dẫn reverse integer python
Example 1: Reverse a Number using a while loop
Output Show
4321 In this program, while loop is used to reverse a number as given in the following steps:
Example 2: Using String slicing
Output 654321 Using the string slicing concept, you can get reverse the string. Nội dung chính Introduction to Reverse Number in PythonReverse operation in python can be defined as a process of turning the order of the input assigned to a variable from back to front or front to back. 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. There are multiple pre-defined methods in python which can be worked along with the conditional statements for creating reverse logical function, and they are list method, slice method, recursion method, etc. Reverse() method is the straightforward method for performing this operation for any kind of input provided by the user. Logic for Reverse Number in PythonThe below points briefly us about how to reverse a given number in python:
Reversing the Number Using different ways in PythonBelow are the different ways in Python: 1. Using Slicing MethodCode:
Execution Steps:
Output: Note: Follow the above steps for executing the python programs for reversing which are going to be discussed below. 2. Using For loop MethodCode:
Output: 3. While Loop MethodCode:
Output: 4. Using Reversed MethodCode:
Output: 5. Using user-entered number and then reversing itCode:
Output: 6. Two-Digit Reverse MethodCode:
Output: 7. Three-Digit Reverse MethodCode:
Output: 8. Without the Recursion MethodCode:
Output: 9. With Recursion MethodCode:
Output: 10. Using Function MethodCode:
Output: 11. Using List MethodCode:
Output: 12. Using the Stack MethodCode:
Output: ConclusionSo far in this tutorial, we have learned to find the reverse number of a given number in python. This program runs only once, i.e. it asks the user to enter a number, find the reverse value, print and exit. We can also insert it into an infinite loop for continuous reading of a new number from the user. Put it in an infinite loop and check what’s going on. Recommended ArticlesThis is a guide to Reverse Numbers in Python. Here we discuss the logic for Reverse Number in Python and top 12 methods of Reverse Number in Python. You can also go through our other related articles to learn more –
Can you reverse a number in Python?We use the python reversed() function to reverse a number by this method. This function returns a pointer that can iterate the string/list in reverse order. We use the join() method of python to obtain the reversed number from this iterator finally. How do you reverse a single number in Python?Reverse Number In Python. # Python Program to Reverse a Number using While loop.. Number = int(input("Please Enter any Number: ")). Reverse = 0.. while(Number > 0):. Reminder = Number %10.. Reverse = (Reverse *10) + Reminder.. Number = Number //10.. print("\n Reverse of entered number is = %d" %Reverse). How do you reverse a number without a loop?How to reverse a 3 digit number. Declare the int into num1, num2 and num3 along witht the output, reverse.. Ask the user to enter a number to reverse.. Store the number using scanf.. Get the last digit of the number , num1= n/100.. Get the middle digit from the user, num2=(num%100)/10.. How do you reverse a number in a list Python?In Python, there is a built-in function called reverse() that is used to revers the list. This is a simple and quick way to reverse a list that requires little memory. Syntax- list_name. reverse() Here, list_name means you have to write the name of the list which have to be reversed. |