#!/usr/bin/env python
# -*- coding:utf-8 -*-
 
 
__author__ = 'shouke'
 
import time
from copy import deepcopy
 
 
def main():
 
  class_propotion_map = {'A':3, 'B':5, 'C':7, 'D':7} # 分類及樣本數(shù)比例映射
  class_list = [] # 分類
  class_proption_list = [] # 存放分類樣本數(shù)比例
 
  for class_type, propotion in class_propotion_map.items(): # 同一個循環(huán)，可以保證比例索引和對應(yīng)分類索引一一對應(yīng)
    class_list.append(class_type)
    class_proption_list.append(propotion)
 
  temp_class_propotion_list = deepcopy(class_proption_list)
  result = []
 
  t1 = time.time()
  total_sample_num = 100000 #任務(wù)執(zhí)行次數(shù)
  for i in range(1, total_sample_num+1):
    max_propotion = max(temp_class_propotion_list)
    if max_propotion > 0:
      index = temp_class_propotion_list.index(max_propotion)
      result.append(class_list[index])
      temp_class_propotion_list[index] -= 1
    elif max_propotion == 0 and min(temp_class_propotion_list) == 0:
      temp_class_propotion_list = deepcopy(class_proption_list)
      index = temp_class_propotion_list.index(max(temp_class_propotion_list))
      result.append(class_list[index])
      temp_class_propotion_list[index] -= 1

  t2 = time.time()
  from collections import Counter
  c = Counter(result)
  for item in c.items():
    print(item[0], item[1]/total_sample_num)
  print('耗時：%s'%(t2-t1))
 
main()