Nested Dictionaries

Concepts: pyDictNested

Dictionary values can be any Python type, including other dictionaries. This allows you to represent complex, hierarchical data. Real-world data is almost always nested. Each bracket access goes one level deeper. The expression company["address"] returns the nested dictionary, and then ["city"] accesses a key within that nested dictionary. Modifying Nested Values You can modify nested values using the same chained bracket syntax: Safe Nested Access Following a few simple rules prevents most nested dictionary errors. Practice navigating nested data by choosing the correct access pattern for a multi-level dictionary. Nested dictionaries are the natural representation of JSON data, which you will work with constantly when calling REST APIs. Every JSON object becomes a Python dict, and every J