How can call a sublist of a list using tinydb?

i am trying to create a group of list inside of list. so the group of list are sublists. but i dont know how can store sublists and next call this sublists using tinydb. some example to guide me and understand the logic?

If you have a list of lists, you can store it like with s simple list. Then, when you get the list, you can access to the elements normally. An example:

TinyDB has no facilities for sublists, but you can build compound tags and filter tag lists to do something similar to what you might be asking. See this sample: