python program for checking armstrong number
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Title: Python Tutorial: Checking Armstrong Numbers
Introduction:
Armstrong numbers, also known as narcissistic numbers or pluperfect digital invariants, are numbers that are equal to the sum of their own digits each raised to the power of the number of digits. In this tutorial, we'll explore how to create a Python program to check whether a given number is an Armstrong number or not.
Requirements:
Before we begin, make sure you have Python installed on your system. You can download and install Python from the official website: https://www.python.org/
Creating the Python Program:
Let's create a Python program that checks whether a given number is an Armstrong number or not. We'll break down the code step by step for better understanding.
Explanation:
The is_armstrong_number function takes an integer as input and checks whether it is an Armstrong number or not.
We convert the number to a string to find its length (number of digits) using the len function.
We then use a generator expression to calculate the sum of each digit raised to the power of the number of digits using the sum function.
Finally, we compare the calculated sum with the original number and return True if they are equal, indicating that the number is an Armstrong number.
In the main part of the program, we take a number as input from the user, call the is_armstrong_number function, and print the result.
Usage:
Conclusion:
You have successfully created a Python program to check whether a given number is an Armstrong number. Feel free to experiment with different numbers and understand the concept behind Armstrong numbers.
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