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中级

Sudoku Block

未完成
中级参考 代码结构已给出，请填写 ____ 处 
# Write your solution here
def solve(____):
    seen_numbers = []
    for i in range(____):
        for j in range(____):
            number = sudoku[i][j]
            if number != ____:
                if number in seen_numbers:
                    return False
                seen_numbers.append(____)
    return True

if __name__ == "____":
    sudoku = [
    [____, ____, ____, ____, ____, ____, ____, ____, ____],
    [____, ____, ____, ____, ____, ____, ____, ____, ____],
    [____, ____, ____, ____, ____, ____, ____, ____, ____],
    [____, ____, ____, ____, ____, ____, ____, ____, ____],
    [____, ____, ____, ____, ____, ____, ____, ____, ____],
    [____, ____, ____, ____, ____, ____, ____, ____, ____],
    [____, ____, ____, ____, ____, ____, ____, ____, ____],
    [____, ____, ____, ____, ____, ____, ____, ____, ____],
    [____, ____, ____, ____, ____, ____, ____, ____, ____]
    ]

    print(solve(____))
    print(solve(____))

示例

输入
print(solve(sudoku, 0, 0)); print(solve(sudoku, 1, 2))
期望输出
False
True
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