随机红包

出自：http://www.nonb.cn/blog/python-bonus.html
import random,sys
def HB(min,max,total,num):
    print(min,max,total,num)
    total = float(total)
    num = int(num)
    min = 0.01

    if num < 1:   #人数小于1就直接退出
        return
    if num == 1:  #个数为1则金额为全部金额
        print("第%s个人拿到的红包数：%.2f"%(num,total))
        return
    i = 1
    totalMoney = total
    while i < num: #红包个数至少大于1
        max = totalMoney - min * (num-i)   #最大包=红包总额-最小包（红包个数-1）
        k = int((num-i)/2)
        if num - i <=2:
            k = num - 1
        max = max/k
        money = random.randint(int(min*100),int(max*100))
        money = float(money)/100
        totalMoney = totalMoney - money
        print('第%d个人拿到的红包是：%.2f;余额为：%.2f'%(i,money,totalMoney))
        i +=1
    print('第%d个人拿到的红包是：%.2f;余额为：%.2f'%(i,totalMoney,0.00))

if __name__ == '__main__':
    # min = sys.argv[1]
    # max = sys.argv[2]
    # total = sys.argv[3]
    # num = sys.argv[4]
    HB(0.01,10,20,4)
    # HB(min,max,total,num)