# Python Python is the most popular language for LeetCode preparation and for good reason. Its syntax is concise, its built-in data structures like lists, dictionaries, and sets map directly to the structures you use in almost every problem, and the standard library includes a heap module and collections utilities that save significant time. Writing a sliding window or a DFS in Python requires far fewer lines than in most other languages. If you do not have a strong preference, Python is the recommended default for this roadmap. Visit the following resources to learn more: - [@roadmap@Visit the Dedicated Python Roadmap](https://roadmap.sh/python)