create_rand_filenames02.py

import random
import string


def main():
    digit = 8
    for i in range(10):
        source = string.ascii_letters + string.digits
        random_str = ''.join([random.choice(source) for _ in range(digit)])
        with open('out/{}.txt'.format(random_str), 'w') as f:
            f.write('Hello')


if __name__ == '__main__':
    main()