29 lines
733 B
Python
29 lines
733 B
Python
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def checkio(matr):
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clone = zip(*matr)
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modifiedClone = []
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for row in clone:
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modifiedClone.append(list(map(mult, row)))
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for i, row in enumerate(matr):
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for j, cell in enumerate(matr[i]):
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if cell != modifiedClone[i][j]:
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return False
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return True
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def mult(e):
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return -1 * e
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if __name__ == '__main__':
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assert checkio([[0, 1, 2],
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[-1, 0, 1],
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[-2, -1, 0]]) == True, 'First'
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assert checkio([[0, 1, 2],
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[-1, 1, 1],
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[-2, -1, 0]]) == False, 'Second'
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assert checkio([[0, 1, 2],
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[-1, 0, 1],
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[-3, -1, 0]]) == False, 'Third'
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print('All ok')
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