symmetric_encryption.py

from Crypto.Cipher import AES
import os

encryption_key = os.urandom(16)

def encrypt_AES(key, data):
    cipher = AES.new(key, AES.MODE_ECB)
    return cipher.encrypt(data)

def decrypt_AES(key, encrypted_data):
    cipher = AES.new(key, AES.MODE_ECB)
    return cipher.decrypt(encrypted_data)


cipher_text = encrypt_AES(encryption_key, "This is the data".encode("utf8"))
text = decrypt_AES = decrypt_AES(encryption_key, cipher_text)

print(cipher_text)
print(text)