Hash Table – Data Structures & Algorithms Tutorials In Python #5

Hash map or hash table is a very popular data structure. It allows to store key, value pairs and using key you can locate a value in O(1) or constant time. We will implement simple hash table in python in this tutorial and in part 2 we will see how to handle collisions.
Code: https://github.com/codebasics/data-structures-algorithms-python/tree/master/data_structures/4_HashTable/4_HashTable.ipynb

Topics
00:00 Introduction
00:34 Array vs hashmap Scenario
03:52 Memory presentation (array vs hashmap)
04:15 Hash function
07:09 Big O Analysis
07:17 Hashmap in Python/JAVA/C++
07:47 Implement Hash Table in python

#HashTable #HashMap #hashmappython #datastructures #algorithms #python

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