How can I code these in Python for a Sudoku puzzle? 1) A proper backtracking solution 2) Print out the number of times backtracking is needed 3) Improve the solution using constraint propagation 4) Improve the solution using the Minimum Remaining Values logic. Please note, the server will return a different starting position every time. You are not meant to hard-code the positions.You only need to present the final solution you get to.

Q: recursive method

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Q: application

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A: The code is shown as,

Q: Assuming you want to follow the ABC method, what sequence should you follow?

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