1 #！/usr/bin/env python 2 # -*- coding:utf-8 -*- 3 import random 4 temp ='' 5 for i in range(6): 6     num = random.randrange(0,4) 7     if num ==3 or num == 1: 8         rad2 = random.randrange(0,10) 9         temp = temp + str(rad2)10     else:11         rad1 = random.randrange(65,91)12         c1 = chr(rad1)13         temp = temp + c114 15 print(temp)