Parse Nested JSON in Python | Dataford Interview Questions

Write a Python script to parse a nested JSON file.

Implement parse_nested_json(json_text) to parse a JSON string and return a dictionary containing every leaf value. Use dot-separated keys for nested objects and bracket notation for array indexes, such as user.address.city and items[0].sku. Empty objects and arrays are treated as leaf values. Preserve JSON value types.

Signature: def parse_nested_json(json_text):

Return the flattened dictionary.

Constraints

json_text is a valid JSON string.
The parsed JSON may contain nested objects, arrays, strings, numbers, booleans, and null.
Object keys do not contain dots or bracket-style index syntax.
Return every leaf value exactly once.
Empty objects and arrays are recorded as leaf values.

Function Signature

def parse_nested_json(json_text):

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