this is a tello drone program where
1)keyboard module is for controlling drone with the keyboard on the laptop
2)keypress module is used as a return command when a key is pressed
3)imagecap module is used to capture image from the drone using fpv(first person view) camera for image processing
4)mapping module is used to map the environment in which the drone is flying in using 2D cartesian coordinates
5)spysurv module is used to activate the surveillance mode where the environment can be surved using openCV(python)