# Code Snippets

## Insert and Delete Operation in Binary Search Tree | Code Snippet | Python

This post is all about code. We will see the implementation of insertion and deletion in the Binary Search Tree. I will try to write details about these topics soon. TreeNode Insert Delete

## (Pre|In|Post)Order Traversal In Binary Tree | Recursive Way | Code Snippet

Tree traversal algorithms are easy. Let’s see the Python implementation of these three types of tree traversal in the recursive way. Click here to see the iterative implementation of tree traversals. TreeNode Class Pre Order Traversal In Order Traversal Post Order Traversal

## 4 Types Of Binary Tree Traversal | Algorithm Implementation | Iterative Way | Code Snippet

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 blog, we will see only iterative implementation. Pre Order Traversal In Order Traversal Post Order Traversal Level Order Traversal

## Implementation of Stack Using Linked List and List – Code Snippet

The stack is a data structure. To implement a stack data structure, we can use both linked list or array. Below are examples of both types of implementation. Using Linked List Using Python List

## Linked List – Code Snippet

We can see linked list implementation in python in the following code. And with some important operations of the linked list. The time complexity of every operation is O(n) except insert_front and empty. And the complexity of insert_front and empty is O(1). Singly Linked List Doubly Linked List

## Setup Basic Express Server – Code Snippet

Express is an excellent Node JS framework for web backend. It’s Fast, unopinionated, and minimalist. See the basic setup of the express server in the following example.

## Merge Sort Implementation in Python

We all know that a Merge Sort is a sorting algorithm. You can find the implementation code of this algorithm is everywhere. But I want to organize this on my site. The complexity of this algorithm. Worst Complexity:  n*log(n) Average Complexity:  n*log(n) Best Complexity:  n*log(n) Space Complexity: n

## Bubble Sort Implementation in Python

We all know that a Bubble Sort is a sorting algorithm. You can find the implementation code of this algorithm is everywhere. But I want to organize this on my site. The complexity of this algorithm. Worst Complexity: O( n^2 )Average Complexity: O( n^2 )Best Complexity: O( n )Space Complexity: O( 1 )

## Insertion Sort Implementation in Python

We all know that an Insertion Sort is a sorting algorithm. You can find the implementation code of this algorithm is everywhere. But I want to organize this on my site. The complexity of this algorithm. Worst Complexity: O( n^2 )Average Complexity: O( n^2 )Best Complexity: O( n )Space Complexity: O( 1 )

## Selection Sort Implementation in Python

We all know that a Selection Sort is a sorting algorithm. You can find the implementation code of this algorithm is everywhere. But I want to organize this on my site. The complexity of this algorithm. Worst Complexity: O( n^2 ) Average Complexity: O( n^2 ) Best Complexity: O( n^2 ) Space Complexity: O( 1

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