l = ['length_100cm_width_30cm_pict','length_200cm_width_30cm_pict','length_100cm_width_10cm_pict','length_100cm_width_40cm_pict','length_200cm_width_20cm_pict','length_100cm_width_20cm_pict','length_200cm_width_10cm_pict']
l
['length_100cm_width_30cm_pict',
'length_200cm_width_30cm_pict',
'length_100cm_width_10cm_pict',
'length_100cm_width_40cm_pict',
'length_200cm_width_20cm_pict',
'length_100cm_width_20cm_pict',
'length_200cm_width_10cm_pict']
l.sort(key = lambda x:(int(x.split('_')[1][:-2]),int(x.split('_')[3][:-2])))
l
['length_100cm_width_10cm_pict',
'length_100cm_width_20cm_pict',
'length_100cm_width_30cm_pict',
'length_100cm_width_40cm_pict',
'length_200cm_width_10cm_pict',
'length_200cm_width_20cm_pict',
'length_200cm_width_30cm_pict']
l = ['length_100cm_width_30cm_pict','length_2
阅读背景：
python列表多关键字排序
来源：互联网
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