Discovering Palindromic Numbers: A Python Journey Through Decimal and Binary Worlds

Unveil the magic of numbers that read the same forwards and backwards in both decimal and binary formats

Photo by Andrew Seaman on Unsplash

Introduction

In this tutorial, we’ll explore a fascinating Python programming problem that involves finding palindromic numbers in both decimal and binary formats.

A palindromic number reads the same forwards and backwards, like the decimal number 121 or the binary number 1001. Our goal is to print all numbers from 1 to 1000 (inclusive) that are palindromic in both formats.

Step 1: Defining a Function to Check Palindromes

First, let’s create a function that checks if a given string is a palindrome. This function will be useful for verifying if a number is palindromic in both decimal and binary formats.

def is_palindrome(s):
    return s == s[::-1]

This function takes a string s as input and returns True if the string is a palindrome, and False otherwise. The expression s[::-1] reverses the string using Python’s slice notation.

Step 2: Iterating Over the Numbers from 1 to 1000