[作品展示] 思考一个小问题：微信群抢红包

import random

def divide(total = 10000, person = 10, n = 100000):
        get = [0 for i in range(person)]
        for j in range(n):
                amount = total
                for i in range(0, person-1):
                        x = 2 * amount // (person - i)
                        a = random.randint(1, x)
                        get[i] += a
                        amount -= a
                get[person-1] += amount
        return [i//n for i in get]

print(1, divide(n=1))
print(2, divide(n=1))
print('First 100,000 times simulation:',divide())
print('Second 100,000 times simulation:',divide())

#   输出：
#  (1, [205, 593, 974, 69, 561, 696, 2725, 2736, 581, 860])
#  (2, [157, 766, 894, 280, 1008, 2585, 1453, 90, 2353, 414])
#  ('First 100,000 times simulation:', [998, 998, 1002, 1000, 1002, 1003, 998, 998, 999, 998])
#  ('Second 100,000 times simulation:', [997, 1002, 1004, 997, 1000, 999, 997, 998, 1003, 998])
#  可见单独一次来看，每个人抽到的金额差别比较大；但总体来看，先抽后抽没有差别。