尝试这样的事情：
In [53]: l = [0,1,2,3]In [54]: def to_matrix(l, n): ...: return [l[i:i+n] for i in xrange(0, len(l), n)]In [55]: to_matrix(l,2)Out[55]: [[0, 1], [2, 3]]
尝试这样的事情：
In [53]: l = [0,1,2,3]In [54]: def to_matrix(l, n): ...: return [l[i:i+n] for i in xrange(0, len(l), n)]In [55]: to_matrix(l,2)Out[55]: [[0, 1], [2, 3]]
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