擅长:python、mysql、java
<p>索引从0开始,因此对于矩阵,有[0][0]…[2][2]</p>
<pre><code>>>> TopRow = [1, 3, 5]
>>> MiddleRow = [7, 9, 11]
>>> BottomRow = [13, 15, 17]
>>> matrix = [TopRow, MiddleRow, BottomRow]
>>>
>>> def get_value(matrix, row, col):
... print(matrix[row][col])
...
>>> get_value(matrix, 1, 2)
11
>>> get_value(matrix, 2, 1)
15
</code></pre>