script to sanitize data to unique hashes

encrypt.py

import hashlib
from hashlib import blake2b

log_file = open("ip_addresses.txt", "r").read().splitlines();
new_file = open("new.csv", 'w')

for line in log_file:
    h = blake2b(key=b'secret_key_change_this!', digest_size=10)
    h.update((line).encode())
    parsed_line = h.hexdigest()
    new_file.write(parsed_line)
    print(parsed_line)
    # Add a line break
    new_file.write('\n')