wujunkai

>>> data = [['256', '509'], ['510', '763'], ['764', '1017'], ['1018', '1271'], ['1272', '1526']]
>>> data = eval(str(data).replace("'",'').replace('"',''))
>>> data
[[256, 509], [510, 763], [764, 1017], [1018, 1271], [1272, 1526]]
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有点取巧
但不限维度