creating a list from lists of lists

[snippsat]

Try not copy in line number in code.

So this is the start.

>>> lst = main()
>>> lst
[[[2, 1, 4, 3], [3, 4, 2, 1]],
 [[1, 0, 0, 3], [0, 3, 1, 1]],
 [[0, 1, 4, 2], [4, 0, 1, 3]],
 [[1, 0, 0, 4], [3, 3, 0, 0]],
 [[3, 1, 3, 0], [3, 4, 4, 2]]]

So to use eg sum() on the list need first to flatten the list out.

>>> for i in lst:
...     lst = [item for n in i for item in n]
...     print(lst)   
...     
[2, 1, 3, 4, 1, 4, 3, 4]
[4, 0, 1, 3, 0, 3, 0, 0]
[0, 0, 0, 1, 2, 1, 4, 0]
[2, 1, 0, 1, 4, 1, 4, 3]
[4, 0, 3, 4, 1, 4, 2, 2]

Now will sum() work.

>>> lst = main()
>>> for i in lst:
...     lst = [item for n in i for item in n]
...     print(sum(lst))     
...     
17
18
13
12
15

Then i think you can do the last step if want the total sum.