my sample data:
a = [
            {
                "activity_message": "message 1",
                "activity_created_on": 1677672546
            },
            {
                "activity_message": "message 2",
                "activity_created_on": 1677672552
            },
            {
                "activity_message": "message 3",
                "activity_created_on": 1677672536
            },
            {
                "activity_message": "message 4",
                "activity_created_on": 1677672539
            }
        ]
i am trying to fetch the whole data based on activity_created_on key from this smaple data:
i tried in this way in python
def tags(a):
    for item in a:
        tags = []
        if item:
            q = {"am":item.get([]),"d":item["activity_created_on"]}
            tags.append(q)
    return tags
print(tags(a))
trying the outcome: could you please help me?
[      
               {
                "activity_message": "message 3",
                "activity_created_on": 1677672536
                },
                {
                "activity_message": "message 4",
                "activity_created_on": 1677672539
                },
                {
                "activity_message": "message 1",
                "activity_created_on": 1677672546
                },
                {
                "activity_message": "message 2",
                "activity_created_on": 16776725352
                }
            ]
 
    