1. To encrypt a file put the file in file_to_encrypt folder, delete the previous available files. file should be a png image.
2. open main.py file. there is a string named secret data.
3. change that string to the data you want to encrypt and add in the image.
4. run the main.py file
5. your encrypted file should be present in encrypted_files folder.

To Decrypt Files

1. if you want to check the decrypted file. copy or move that file in file_to_decrypt_and_check folder.
2. go to main file again and uncomment the decode_files function and comment the encode_files function
3. run the file.
4. you will have the encrypted data printed in terminal read from that file.