Retrieving package dependencies from JSON

Create a function that:

• Accepts a JSON string as an argument.
• Iterates over the dependencies array.
• For each dependency found, loads the corresponding JSON using the provided package download function.

json_payload = """
{
    "name": "package-01",
    "version": "3.2.1",
    "dependencies": [
        {
            "package": "package-sub-01",
            "version": "3.4.6"
        }
    ]
}
"""