The Polybius Square is a cryptography method, (read This wiki or read the Wikipedia page to learn more)...
git clone https://github.com/Unknow-per/auto-polybius.git
cd auto-polybius
pip -r install requirements.txt
python3 main.py
How to install auto_polybius library
First go to This link and download auto_polybius.py to your code and use.