a3.py

# coding: utf8

import a2
import csv

reader = csv.DictReader(open("evaluation-values.csv"))

leapAvg = 0
leapNum = 0
nonLeapAvg = 0
nonLeapNum = 0

for row in reader:
    if(a2.isLeapYear(int(row["誕生年"]))):
        leapAvg += int(row["評価点 (100点満点)"])
        leapNum += 1.0
    else:
        nonLeapAvg += int(row["評価点 (100点満点)"])
        nonLeapNum += 1.0

leapAvg /= leapNum
nonLeapAvg /= nonLeapNum

print "閏年生まれの人の平均評価点:\t{0}\n閏年生まれでない人の平均評価点:\t{1}".format(leapAvg, nonLeapAvg)