Challenge 3: Dictionary Manipulation
Dictionaries in Python offer a structured and flexible way to store data. The strengths of dictionary manipulation include:
Key-Value Pairs: Dictionaries store data as key-value pairs, allowing rapid data retrieval by just knowing the key. This can drastically improve performance in look-up operations.
Dynamic and Flexible: Dictionaries in Python can grow and shrink dynamically and can even contain mixed data types, offering great flexibility.
Data Structuring: They provide a way to organize data hierarchically and can be nested, making them perfect for complex data representation.
In essence, dictionary manipulation ensures efficient and organized data storage and retrieval.
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Given a dictionary of items and their prices, write a Python function to return items with prices greater than a given value.
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