python3 随机生成6位数的验证码

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Author:Hiuhung Wan

import random

# 48--57 ： 0-9
# 65--90 ： A-Z
# 97--122： a-z

index = 6
count = 0
str1 = ‘‘   #存放验证码

while index > count:
    num = random.randrange(48,122)
    if (num <= 57) or (num >= 65 and num <= 90) or (num >= 97):   #符合条件
        str1 += chr(num)
        count += 1

print(str1)

C:\Python36\python.exe D:/Py/1704/day04/随机验证码.py
YpEDP0

Process finished with exit code 0