#!/usr/bin/python

#-*-coding:utf-8-*-  
import datetime;  
import random;  

for i in range (0,10):  
    nowTime=datetime.datetime.now().strftime("%Y%m%d%H%M%S");
    randomNum=random.randint(0,99);
    if randomNum<=10:  
        randomNum=str(0)+str(randomNum);  
    uniqueNum=str(nowTime)+str(randomNum);  
    print uniqueNum;

输出:

image.png