import random
import string

ALPHANUMERIC_CHARS = string.ascii_lowercase + string.ascii_uppercase + string.digits
MIN_STRING_LENGTH = 11
MAX_STRING_LENGTH = 27

random_string_length = random.randint(MIN_STRING_LENGTH,MAX_STRING_LENGTH)


def generate_random_string(chars=ALPHANUMERIC_CHARS,length=random_string_length):
    return "".join(random.choice(chars) for _ in range(length))