import random
import string


def random_string_generator(size=15,chars= string.ascii_uppercase + string.digits):

    l = ""
    for i in range(size):
        l += random.choice(chars)
    return l
de9ced14196fe38cadcde40cad107d07dc8b81f6
<mask token>

<mask token>


def random_string_generator(size=15, chars=string.ascii_uppercase + string.
    digits):
    l = ''
    for i in range(size):
        l += random.choice(chars)
    return l

import random
import string


def random_string_generator(size=15, chars=string.ascii_uppercase + string.
    digits):
    l = ''
    for i in range(size):
        l += random.choice(chars)
    return l

import random
import string


def random_string_generator(size=15,chars= string.ascii_uppercase + string.digits):

    l = ""
    for i in range(size):
        l += random.choice(chars)
    return l