python

var spanGroupData = [ {"timestamp": 1262332800, "group": [ {"author_id": 1, "token_count": 259}, ]}, {"timestamp": 1383289200, "group": [ {"author_id": 4, "token_count": 8}, ]}, {"timestamp": 1412146800, "group": [ {"author_id": 0, "token_count": 1}, ]}, {"timestamp": 1514793600, "group": [ {"author_id": 2, "token_count": 103}, ]}, {"timestamp": 1546329600, "group": [ {"author_id": 0, "token_count": 6}, ]}, {"timestamp": 1556694000, "group": [ {"author_id": 5, "token_count": 2}, ]}, {"timestamp": 1619852400, "group": [ {"author_id": 0, "token_count": 587}, ]}, {"timestamp": 1669881600, "group": [ {"author_id": 3, "token_count": 3}, ]}, {"timestamp": 1677657600, "group": [ {"author_id": 0, "token_count": 7}, {"author_id": 3, "token_count": 21}, ]}, {"timestamp": 1685602800, "group": [ {"author_id": 3, "token_count": 6}, ]}, ]