LeetCode: Primarily focused on coding interview questions, LeetCode is invaluable for practicing data structures and algorithms, crucial for many data science roles, especially those involving software engineering aspects. It offers a vast collection of problems with varying difficulty levels.

HackerRank: Similar to LeetCode, HackerRank provides coding challenges across various domains, including data structures, algorithms, SQL, and even specific data science skills. It often hosts company-specific challenges, offering targeted preparation.

Interview Cake: This website focuses on the thought process behind solving coding interview questions. It teaches you how to approach problems systematically, which is often more important than just knowing the answer. It also covers behavioral questions.

Towards Data Science (Medium): While not solely an interview preparation site, Towards Data Science features a wealth of articles covering technical concepts, interview experiences, and advice on how to prepare for data science roles. Searching for "interview" yields valuable insights.

Glassdoor: Beyond company reviews and salary information, Glassdoor often has interview questions shared by past candidates for specific companies and data science positions, providing real-world insights into what to expect.

Kaggle: Primarily a platform for data science competitions and datasets, Kaggle is excellent for honing your practical machine learning and data analysis skills, which can be discussed during interviews to showcase your abilities. The discussion forums also offer interview-related insights.

GeeksforGeeks: A comprehensive resource for computer science fundamentals, including data structures, algorithms, and core programming concepts, which are often tested in data science interviews. It also has sections dedicated to interview preparation.

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