HashMaps

Lesson in the Python Roadmap · Stage 2: Data Structures & Algorithms

Last updated 14 September 2026

What is HashMaps?

HashMap, HashTable, Map, Dictionary, or Associative are all the names of the same data structure. It is a data structure that implements a set abstract data type, a structure that can map keys to values.

Study this in the interactive course See the whole Python roadmap

Free resources to learn HashMaps

ArticleBuild a Hash Table in Python
ArticleHash Tables and Hashmaps in Python
VideoHash Table Data Structure | Illustrated Data Structures

HashMaps: common questions

Can I learn HashMaps in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain HashMaps in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this HashMaps tutorial for beginners?

It is lesson 25 of 85 in the free Python roadmap, in stage 2, Data Structures & Algorithms. If you are new to Python, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.