这里有两列数据,我想根据DLL这列的数据生成字符序列
DLL str
Nmapi.dll 1
magnification.dll 2
magnification.dll 3
Npptools.dll 4
magnification.dll 5
Nmapi.dll 6
Npptools.dll 7
Npptools.dll 8
Msdmo.dll 9
Requires W3Filter.dll. 10
Msdmo.dll 11
Msdmo.dll 12
AppProxyPSProvider.dll 13
AppProxyPSProvider.dll 14
Msdmo.dll 15
MSCoree.dll 16
MSCoree.dll 17