Clear, concise explanations. Good job. A tip: It would be better if you could expand on the "Real World" section, especially when it comes to specific examples

Clear, concise explanations. Good job. A tip: It would be better if you could expand on the "Real World" section, especially when it comes to specific examples (e.g. dictionaries etc). That way, more students would relate to understanding exactly how those data structures are used in practical applications.