import face_recognition
known_image = face_recognition.load_image_file("known_person.jpg")
known_image_encoding = face_recognition.face_encodings(known_image)[0]
test_image = face_recognition.load_image_file("test_image.jpg")
test_image_encoding = face_recognition.face_encodings(test_image)[0]
results = face_recognition.compare_faces([known_image_encoding], test_image_encoding)
if results[0]: print("Unlock the door") else: print("Keep the door locked")