9.1.1 Tic Tac Toe Part 1 |verified|

Here is the full code for Part 1:

This abstraction teaches that the board’s physical layout (3x3) is distinct from its logical storage (a linear list). Mapping index 0 to the top-left corner and index 8 to the bottom-right corner introduces the concept of , a fundamental skill in array manipulation. Part 1 rarely requires drawing graphical lines; instead, it uses text-based representation to print the board as three rows, reinforcing that output is merely a view of the underlying model. 9.1.1 tic tac toe part 1

Students learn to use input() (or Scanner in Java) to get a number from 1 to 9. They then translate that number into row/column coordinates. Here is the full code for Part 1:

Pseudo-code for Part 1: