import csv

quantities = csv.reader(open("quants.csv", "r"))
report = list(quantities)
new_list = []

for x in report:
    count = 0
    total = 0
    while count<len(report):
        if report[count][0]==x[0]:
            total = total+(int(report[count][1]))
        count+=1
    new_list.append([x[0], total])
print dict(new_list)