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LeetCode 21 Solution: How to Merge Two Sorted Lists in Python

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The LeetCode 21 solution involves merging two sorted linked lists, a common coding challenge you’ll often encounter in coding interviews and platforms like LeetCode. The LeetCode 21 problem, titled “Merge Two Sorted Lists”, offers an excellent opportunity to practice linked list operations and solve problems efficiently with minimal time complexity. Problem Explanation In the...

LeetCode 20 Solution: Valid Parentheses in Python

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In this blog post, we will explore an efficient solution for one of the most commonly asked coding interview questions: LeetCode 20: Valid Parentheses. This problem tests your ability to determine if a string containing only parentheses, such as (), {}, and [], is valid. The goal is to ensure that the parentheses are properly balanced and nested. Understanding how to solve this problem will not...

LeetCode 14 Solution: Longest Common Prefix in Python

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The LeetCode 14 solution to the “Longest Common Prefix” problem challenges you to find the longest prefix shared by a group of strings. A prefix is a substring that appears at the start of a string. The task is to determine the longest prefix that is common across all strings in the array. If no common prefix exists, the function should return an empty string. This problem is...

LeetCode 13 Solution: Roman to Integer in Python

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When tackling coding challenges like LeetCode’s “Roman to Integer” problem (LeetCode 13), it’s essential to not only solve the problem but also understand the process behind it. In this post, we will walk through a complete LeetCode 13 solution with clear explanations. The goal is to convert a Roman numeral into an integer, using Python. Roman Numerals: What You Need to Know Roman...

LeetCode 9 Solution: Palindrome Number Explained in Python

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In this blog post, we’ll dive into the LeetCode 9 solution for the Palindrome Number problem. If you’re preparing for coding interviews or looking to level up your problem-solving skills, this problem is a fantastic way to practice working with numbers in Python without resorting to string manipulation. Let’s explore the logic and code to solve this popular problem efficiently. Problem...

LeetCode #1 solution: Two Sum

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Problem: 1 two sum Leetcode #1 solution – Two Sum: Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. You may assume that each input would have exactly one solution, and you may not use the same element twice. You can return the answer in any order. Examples: Input: nums = [2...

About me

Hi, I’m Peter, a professional developer with over 25 years of experience. My journey with coding started when I was just a kid, exploring the world of programming and building my first projects out of pure curiosity and passion. Since then, I’ve turned this lifelong passion into a rewarding career, working on a wide range of projects, from small scripts to complex applications.

Now, I’m here to help others get started with coding through this blog. I know that learning to code can feel overwhelming at first, but I believe that with the right guidance, anyone can develop the skills they need to become a proficient programmer. My goal is to simplify the learning process and provide step-by-step resources that make coding accessible, fun, and practical for everyone.

Whether you’re just starting out or looking to sharpen your skills, I hope this blog serves as a valuable resource on your coding journey. Let’s dive into Python together!

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Have any questions or feedback? Feel free to reach out—I’m always happy to help you on your coding journey!

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