Sort List Of Lists Of Lists Python

I have a List of Lists of Lists in python. I need to sort the highest level of lists based on one of the values in the lowest levels. For a toy model, my list is created first wit

Solution 1:

This can be done in one line:

sorted_large = sorted(large, key=lambda item: item[1][0][1])

The sorted built-in function takes a key parameter:

key specifies a function of one argument that is used to extract a comparison key from each list element

Using a lambda expression, the sorting key can be extracted.