import random

MAXLEN = 18
ENGDICT = [[] for i in range(MAXLEN)]
# https://raw.githubusercontent.com/dwyl/english-words/master/words.txt
# encoder can use any other dictionary
for line in open("words.txt"):
    word = line.strip()
    if len(word) < len(ENGDICT) and " " not in word:
        ENGDICT[len(word)].append(word)


def text_to_hex(text):
    ans = []
    for c in text:
        ans.append(1 + (ord(c) // 16))
        ans.append(1 + (ord(c) % 16))
    return ans


def hex_to_text(numbers):
    assert len(numbers) % 2 == 0
    ans = []
    for i in range(0, len(numbers), 2):
        ans.append((numbers[i] - 1) * 16 + numbers[i + 1] - 1)
    return "".join(chr(i) for i in ans)


def hex_to_code(numbers):
    ans = []
    for num in numbers:
        ans.append(random.choice(ENGDICT[num]))
    return " ".join(ans)


def code_to_hex(words):
    return [len(i) for i in words.split()]


def antiai_encode(text):
    numbers = text_to_hex(text)
    return hex_to_code(numbers)


def antiai_decode(code):
    numbers = code_to_hex(code)
    return hex_to_text(numbers)

s = "Hi, fellow human!"
print("=== ORIGINAL TEXT ===")
print(s)
print()
print("=== ENCODED TEXT ===")
code = antiai_encode(s)
print(code)
print()
s1 = antiai_decode(code)
print("=== DECODED TEXT ===")
print(s1)