Recommendations for a drone to do machine learning programming with?

I intend to work on an autonomous drone navigation using machine learning project. I've been looking at the different drones available that allow programming access to them from the get-go and having a bit of trouble choosing which will be best. Currently, I'm considering the DJI Tello, Parrot Mambo, or Parrot AR 2.0.Does anyone have any experience programming with these drones or even have suggestions for more suitable drones? My budget is low and I don't want to go over $200. via /r/drones http://bit.ly/2MHspsI