Hi ,what the meaning of this phrase?

Question

Lists of lists are often used to represent 2D grids, as Python lacks the multidimensional arrays that would be used for this in other languages.
in python.

Answer 1

This is a list of lists:

k = [[1,2], [3,4], [5,6]]

#k[0][1] = 2
#k[2][0] = 5

Answer 2

Thank you 💜 Alex Tusinean 🍇