$.$ Enter the $$transportation$$ directory and create two sub$-$folders named $$plane$$ and

$$ship$.$

D$.$ In IDLE, create a new empty file named $\_\_$init$\_\_.$py and save it to the $$transportation$$

folder.

E$.$ In IDLE, create another new file named move.py and save it to the $$transportation$$

folder. Enter the code below into move.py and save it$.$

F$.$ Create two additional empty $\_\_$init$\_\_.$py files. Save one to the $$plane$$ subfolder and

the other to the $$ship$$ subfolder. The empty $\_\_$init$\_\_.$py files will make the two subfolders

$$sub$-$packages$($see page $321$ of the textbook$).$

G$.$ In the $$plane$$ subfolder, create a new filed named operation.py$.$ Enter the code below

into operation.py and save it$.$

H$.$ In the $$ship$$ subfolder, create a new filed named operation.py$.$ Enter the code below

into this operation.py and save it$.$