2D lists | Intro to CS - Python | Khan Academy
Nested lists can model game boards, images, matrices, and more! Learn how to access the rows and columns of a 2D list. Use nested for loops to iterate over every element, in order.
View the program used in this video at: https://www.khanacademy.org/python-program/2d-lists/4505398963978240
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TIMESTAMPS:
00:00 : modeling a tic-tac-toe board
00:31 : accessing a 2D list
01:29 : 2D list use cases
02:08 : pixels
02:35 : iterating over a 2D list
03:10 : tracing nested loops
04:59 : mutating a 2D list
06:03 : rows with different lengths