获取随机验证码

# 验证码,大小写字幕和数字的组合
import random


def func(length):
    code = ''
    for i in range(length):
        ran1 = str(random.randint(0, 9))
        ran2 = chr(random.randint(65, 90))
        ran3 = chr(random.randint(97, 122))
        ran = random.choice([ran1, ran2, ran3])
        code += ran
    return code


print(func(8))