ret2.loc[ret2['INNERCODE'].map(lambda x:x[0]=='6' or x[0]=='3' or x[0]=='0' ),:]
和matlab不一样的风格 - -
直接用filter更方便
ret2 = filter(lambda x:x[0]=='6' or x[0]=='3' and x[0]=='0',ret)
用好map , filter, reduce
pandas,numpy,list要分清楚
pandas有.map
.filter没有iter
list直接用map,filter,类似matlab
