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How to Check if a Given Number is Fibonacci number - Python

  Fibonacci numbers are part of a famous sequence where each number is the sum of the two preceding ones, i.e.  F(n) = F(n-1) + F(n-2).  The sequence starts as: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ... Notice that every number is equal to the sum of its previous 2 numbers. In this article, we will learn how to identify if a given number belongs to the Fibonacci series or not. Examples :  Input: 8 Output: Yes Input: 31 Output: No Fibonacci Number Check Using a Mathematical Property A number n is a Fibonacci number if and only if one or both of ( 5*n² + 4) or (5*n² – 4) is a perfect square . The above mathematical expression is derived from the closed-form expression of Fibonacci numbers (Binet’s Formula) and some number theory. It’s fast and doesn’t require generating the Fibonacci sequence. Let's look at the code implementation in Python: import math ​ def is_perfect_sq ( x ): s = int ( math . sqrt ( x )) return s * s == x ​ def is_fibonacci ( n ): ...
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Why a Structured Full Stack Python Course Is the Fastest Way to Become Industry-Ready

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  In the modern IT industry, learning isolated technologies is no longer enough. Employers are not searching for developers who know “a little bit of everything.” They want professionals who can build complete, scalable applications from scratch to deployment. This is exactly where a Full Stack Python course becomes a career accelerator rather than just another learning option. A strategic full stack python developer roadmap does more than teach syntax—it trains you to think like a software engineer, solve real business problems, and deliver production-ready applications. For anyone aiming to build a strong, long-term career in software development, choosing the right full stack python developer course is a critical decision. The Reality of the Current Job Market Today’s hiring landscape is skill-driven. Degrees alone no longer guarantee jobs. Recruiters assess: Practical coding ability Project experience Understanding of system architecture Ability to work across frontend and ba...
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What Is Random Number Generator in Python and How to Use It

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 Random numbers play a crucial role in programming and real-world applications such as games, simulations, cryptography, data science, testing, and machine learning . Python makes working with random numbers simple and efficient through its built-in random module . If you are new to Python, you might wonder: What is a random number generator in Python, and how do we use it? This article explains the concept of random number generation , how Python generates random numbers, and how to use different random functions with clear examples. What Is a Random Number Generator? A Random Number Generator (RNG) is a system that generates a sequence of numbers that appear to be random. In Python: Random numbers are pseudo-random , not truly random They are generated using mathematical algorithms The sequence can be reproduced using a seed value In simple terms: Python’s random number generator produces values that behave like random numbers for practical use. Random N...
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