
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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plaese code in python
You are tasked with creating a square grid of values in which each value only appears once in each column and once in each row (think like a Sudoku).
Write a function called grid that inputs a list and outputs a square grid of values of that list in which each value only appears once in each column and once in each row. Specifically, one in which each row is the one above it shifted by one item. Your answer should be in the form of a list of lists, where each sub-list is a row of the square. For example:
grid([1, 2, 3, 4]) -> [[1, 2, 3, 4], [4, 1, 2, 3], [3, 4, 1, 2], [2, 3, 4, 1]]
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