# 用random模块生成随机验证码

def get_code(n=4):  # 默认生成4位
    # 定义一个空字符串
    code = ''
    for i in range(n):
        # 将生成的随机整数转化为字符串
        random_int = str(random.randint(0, 9))  # 0-9之间的整数
        # 将ASCII编码转为字母
        random_upper = chr(random.randint(65, 90))
        random_lower = chr(random.randint(97, 122))
        temp = random.choice([random_int, random_upper, random_lower])
        code += temp
    return code


# 生成6位随机验证码
print(get_code(6))