Create interactive_example.py
Create interactive_example.py

This example uses docopt with the built in cmd module to demonstrate an interactive command application.
snowsnail/docopt,Zearin/docopt,devonjones/docopt,docopt/docopt,kenwilcox/docopt,crcsmnky/docopt,benthomasson/docopt,jagguli/docopt,wkentaro/docopt