calculate_list = [('Username', '2021', [{'Number': 2, 'Project': 'Project1', 'Date': '04/06/2023', 'All time': '00:05:46:850000'}, {'Number': 3, 'Project': 'Project1', 'Date': '04/06/2023', 'All time': '00:36:36:764000'}, {'Number': 4, 'Project': 'Project2', 'Date': '05/06/2023', 'All time': '00:13:49:744000'}, {'Number': 6, 'Project': 'Project1', 'Date': '05/06/2023', 'All time': '03:53:19:321000'}, {'Number': 7, 'Project': 'Project1', 'Date': '05/06/2023', 'All time': '02:21:01:038000'}, {'Number': 8, 'Project': 'Project3', 'Date': '05/06/2023', 'All time': '00:00:52:031000'}]), ('Username', '2022', [{'Number': 4, 'Project': 'Project11', 'Date': '05/06/2023', 'All time': '00:06:59:560000'}, {'Number': 5, 'Project': 'Project12', 'Date': '05/06/2023', 'All time': '00:02:50:557000'}, {'Number': 6, 'Project': 'Project12', 'Date': '06/06/2023', 'All time': '01:20:22:016000'}, {'Number': 7, 'Project': 'Project13', 'Date': '06/06/2023', 'All time': '00:01:12:429000'}])]

if the project name and date match the project name and date in the next element, then create a new element in which the project name and date are the same, and the 'All time' is the sum of the 'All time' of these two elements and delete thes element Please answer in JSON format.
user