# Here is what I have:
{
    "list": [
        {
            "id": "AAA",
            "total": "0.1"
        },
        {
            "id": "AAA",
            "total": "0.3"
        },
        {
            "id": "BBB",
            "total": "0.8"
        }
    ]
}

# Here is what I want:
[
    {
        "symbol": "AAA",
        "total": "0.4"
    },
    {
        "symbol": "BBB",
        "total": "0.8"
    }
]