Help for this page
SAMPLE INPUT INPUTFILE.csv 3211111,100,3.2 ... 3211112,100,2.2 3211113,100,5.2 3211112,100,0.3
outputfile.csv 3211111,100,4.4 3211112,100,2.5 3211112,101,3.2 3211113,100,5.2