under review
python
due 2026-09-30Build a Sudoku Puzzle Validator
Posted by TeamHourglass · 1 claims · 1 submissions
Create a Python program that checks whether a completed 9×9 Sudoku board is valid. The program should verify that every row, column, and 3×3 subgrid contains the numbers 1–9 exactly once. Requirements: Accept a 9×9 Sudoku board (hardcoded or read from a text file) Validate all rows Validate all columns Validate all 3×3 subgrids Display whether the puzzle is Valid or Invalid If invalid, indicate which row, column, or subgrid failed the validation