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Python Data Structures and Algorithms

Last updated: 20 August 2023

This tutorial is a beginner-friendly guide for learning data structures and algorithms using Python. In this article, we will discuss the in-built data structures such as ...read more

Python-Data-Structures

Hash Map in Python

Last updated: 20 August 2023

Hash maps are indexed data structures. A hash map makes use of a hash function to compute an index with a key into an array of buckets or slots. Its value is mapped to the...read more

Python-Data-Structures

Max Heap in Python

Last updated: 25 August 2023

A Max-Heap is a complete binary tree in which the value in each internal node is greater than or equal to the values in the children of that node. Mapping the elements of ...read more

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Python-Data-Structures

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Queue in Python

Last updated: 10 January 2023

Like stack, queue is a linear data structure that stores items in First In First Out (FIFO) manner. With a queue the least recently added item is removed first. A good exa...read more

Python-Data-Structures

Stack in Python

Last updated: 09 March 2023

A stack is a linear data structure that stores items in a Last-In/First-Out (LIFO) or First-In/Last-Out (FILO) manner. In stack, a new element is added at one end and an e...read more

Python-Data-Structures

Priority Queue in Python

Last updated: 29 August 2022

Priority Queues are abstract data structures where each data/value in the queue has a certain priority. For example, In airlines, baggage with the title “Business” or “Fir ...read more

Python-Data-Structures

Heap queue (or heapq) in Python

Last updated: 22 March 2023

Heap data structure is mainly used to represent a priority queue. In Python, it is available using the "heapq" module. The property of this data structure in Python is tha ...read more

Python-Data-Structures

Deque in Python

Last updated: 06 March 2023

Deque (Doubly Ended Queue) in Python is implemented using the module "collections". Deque is preferred over a list in the cases where we need quicker append and pop operat...read more

Python collections-module

Python-Data-Structures

Insertion Sort for Singly Linked List

Last updated: 10 January 2023

We have discussed Insertion Sort for arrays. In this article, we are going to discuss Insertion Sort for a linked list.Below is a simple insertion sort algorithm for a lin ...read more

Python-Data-Structures

Search an element in a Linked List (Iterative and Recursive)

Last updated: 10 April 2023

Given a linked list and a key 'X' in, the task is to check if X is present in the linked list ornot.Examples:Input: 14-21-11-30-10, X = 14Output: YesExplanation: 14 is pre ...read more

Python-Data-Structures

Understanding the basics of Linked List

Last updated: 07 June 2023

Linked List is a linear data structure, in which elements are not stored at a contiguous location, rather they are linked using pointers. Linked List forms a series of con...read more

Python-Data-Structures

Write a function to delete a Linked List

Last updated: 13 March 2023

Algorithm For C/C++: Iterate through the linked list and delete all the nodes one by one. The main point here is not to access the next of the current pointer if the curre ...read more

Delete a Linked List

Python-Data-Structures

Program for Nth node from the end of a Linked List

Last updated: 02 August 2023

Given a Linked List and a number N, write a function that returns the value at the Nth node from the end of the Linked List. Examples:Input: 1 - 2 - 3 - 4, N = 3Output: 2I...read more

Monotype Solutions

Python-Data-Structures

Find the middle of a given linked list

Last updated: 28 March 2023

Auxiliary Given a singly linked list, find the middle of the linked list. For example, if the given linked list is 1-2-3-4-5 then the output should be 3.If there are even ...read more

Python-Data-Structures

Write a function to get Nth node in a Linked List

Last updated: 10 January 2023

Write a GetNth() function that takes a linked list and an integer index and returns the data value stored in the node at that index position.Example:Input: 1-10-30-14, i ...read more

Python-Data-Structures

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