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 Map: Four Semesters of Computer Science in 5 Hours
 Map: Four Semesters of Computer Science in 5 Hours

Maps—or dictionaries as they are sometimes referred to—are key-value sets. Maps are also very similar to an associative array. Since the keys in a map are a set, there cannot be any duplicates. When a value of a key is updated, the previous value is lost.

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Skill Level Intermediate
4h 46m
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