All pastes #715163 Raw Edit

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#715163 ·published 2007-09-26 02:11 UTC
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In [15]: ret = [[0, 0]] * 3

In [16]: ret
Out[16]: [[0, 0], [0, 0], [0, 0]]

In [17]: ret[0][0] = 1

In [18]: ret
Out[18]: [[1, 0], [1, 0], [1, 0]]