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#!/usr/bin/env python
# encoding:utf-8
class WeightedList:
def __init__(self, lis):
self.list = lis
self.total = sum(map(lambda v: v[0], self.list))
def choice(self):
import random
index = random.randint(0, self.total)
acc = 0
for i in self.list:
acc += i[0]
if acc > index: return i[1]
if __name__ == "__main__":
# http://www.stat.go.jp/data/kokusei/2005/index.htm
prefectures = WeightedList([
(5541, u"東京都"),
(4652, u"大阪府"),
(3515, u"神奈川県"),
(1827, u"埼玉県"),
(1367, u"愛知県"),
(1149, u"千葉県"),
(1009, u"福岡県"),
(957, u"北海道"),
(661, u"兵庫県"),
(581, u"沖縄県"),
(574, u"京都府"),
(545, u"香川県"),
(507, u"茨城県"),
(488, u"静岡県"),
(401, u"滋賀県"),
(391, u"奈良県"),
(371, u"長崎県"),
(359, u"佐賀県"),
(340, u"広島県"),
(325, u"宮城県"),
(318, u"群馬県"),
(313, u"栃木県"),
(306, u"三重県"),
(282, u"石川県"),
(275, u"岡山県"),
(264, u"富山県"),
(263, u"愛媛県"),
(251, u"熊本県"),
(250, u"山口県"),
(226, u"和歌山県"),
(199, u"徳島県"),
(199, u"岐阜県"),
(199, u"山梨県"),
(198, u"福井県"),
(197, u"新潟県"),
(194, u"鹿児島県"),
(193, u"大分県"),
(175, u"鳥取県"),
(163, u"長野県"),
(154, u"青森県"),
(154, u"福島県"),
(151, u"宮崎県"),
(133, u"山形県"),
(115, u"高知県"),
(114, u"島根県"),
(103, u"秋田県"),
(93, u"岩手県"),
])
while True:
print prefectures.choice()
import time
time.sleep(0.1)
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