#!/usr/bin/env python
# coding: utf-8

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import numpy as np


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matrixIn = np.loadtxt("sudoku-task0.txt")
print(matrixIn)


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def check_row(matrix, index, k):
    i = index//9
    j = index%9
    return not k in matrix[i,:]
def check_col(matrix, index, k):
    #your code here

def check_tile(matrix, index, k):
    #your code here


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