What is the meaning of a[2][6] in python?

Question

I got this doubt when I do challenge it is usually asked when it's related to lists

Answer 1

a is a list of lists. a[2] is a's third list. a[2][6] is its 7th element

Answer 2

You should take lessons on Matrix also, things become easier for you.

Answer 3

a[2][6] can be value of inner list or can be dict.

Answer 4

a =(1,2,3,4,5,6,7)

a[2] = 3
a[6] = 7

a[2][6] doesn't give any output.

It's better to write your code on playground to get actual result.

Answer 5

7th element of 3rd list element of list a[]