A user that inputs 2 and 1 into the following code will result in what output? board = [ ["-", "-", "-"], ["-", "-", "-"], ["-", "-", "-"] ] col = int(input("X player, select a column: ")) row = int(input("X player, select a row: ")) board[row][col] = "X" print(board[0]) print(board[1]) print(board[2])
Question
A user that inputs 2 and 1 into the following code will result in what output? board = [ ["-", "-", "-"], ["-", "-", "-"], ["-", "-", "-"] ] col = int(input("X player, select a column: ")) row = int(input("X player, select a row: ")) board[row][col] = "X" print(board[0]) print(board[1]) print(board[2])
Solution
The code is written in Python and it represents a simple game of tic-tac-toe. The user is asked to input a column and a row where they want to place their "X". The board is a 3x3 grid, and the indices start from 0.
Here are the steps to understand the output:
-
The user inputs 2 for the column and 1 for the row. In Python, indices start at 0, so this would correspond to the third column and the second row.
-
The line
board[row][col] = "X"places an "X" at the specified location on the board. In this case, it would place an "X" in the third column of the second row. -
The
printstatements then print out each row of the board.
So, if a user inputs 2 for the column and 1 for the row, the output would be:
['-', '-', '-']
['-', '-', 'X']
['-', '-', '-']
This shows that an "X" has been placed in the third column of the second row, as specified by the user.
Similar Questions
A user that inputs 2 and 1 into the following code will result in what output? int col; int row; Scanner input = new Scanner(System.in); String[][] board = {{" - ", " - ", " - "}, {" - ", " - ", " - "}, {" - ", " - ", " - "}}; System.out.println("\t" + Arrays.toString(board[0])); System.out.println("\t" + Arrays.toString(board[1])); System.out.println("\t" + Arrays.toString(board[2]) + "\n"); System.out.print("X - Select row (0 - 2) & select column (0 - 2) "); System.out.print("separated by a space: "); row = input.nextInt(); col = input.nextInt(); board[row][col] = " X "; System.out.println("\t" + Arrays.toString(board[0])); System.out.println("\t" + Arrays.toString(board[1])); System.out.println("\t" + Arrays.toString(board[2]) + "\n");
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