The tree is one of the most important data structures in computer science. We are going to see the Python implementation of tree traversals. In this...

Continue reading...## 704. Binary Search | LeetCode | Python | Solution

Read the problem description first. To see the problem, click here. There is nothing to explain. It’s nothing but a binary search implementation. If you know...

Continue reading...## 404. Sum Of Left Leaves | LeetCode | Python | Solution

This problem description is pretty simple. The description is: find the sum of all left leaves in a given binary tree. Here is the link of...

Continue reading...## Center An Element Vertically and Horizontally Using Flexbox

Often we have to center an element vertically and horizontally. We can do this easily using CSS Grid and Flexbox. But it was boring before the...

Continue reading...## Today I Learned How to Create Images Of My Code

Creating images of code snippets is very simple and easy. But I didn’t know before. It takes a short time to create it. You can create...

Continue reading...## 1480. Running Sum of 1d Array | LeetCode | Python | Solution

Problem link Given an array of integers, We have to return the running sum of that array. Suppose, we have an array of integers like [1,...

Continue reading...## 1295. Find Numbers with Even Number of Digits | LeetCode | Python | Solution

Here is the problem link to see the problem details. The problem description is very concise and easy to understand. Given an array of integers, we...

Continue reading...## 876. Middle of the Linked List | LeetCode | Python | Solution

Here is the problem link. See the problem explanation first and try to understand the problem. It’s an easy linked list problem. We have to return...

Continue reading...## 595. Big Countries | Database | LeetCode | Solution

This problem is not about programming related. It’s about the database. Here is the link to the problem. There is a table called the world. It...

Continue reading...## 709. To Lower Case | LeetCode | Solution | Python

Here is the link to the problem. An easy problem to solve. The problem description is easy. Given a string and we have to returns it...

Continue reading...