ls /mnt cd /mnt/titus ls import csv r = csv.reader(open('salm.x.ecoli.csv', 'r')) scores = [] for row in r: name1, descr1, name2, descr2, bitscore, evalue = row bitscore = float(bitscore) scores.append(bitscore) print bitscore print name1, descr1, name2, descr2 hist(scores)