To begin, we import print_function and the argparse module. By importing the print_function from the __future__ library we can write print statements as they are written in Python 3.X but still run them in Python 2.X. This allows us to make recipes compatible with both Python 2.X and 3.X. Where possible, we carry this through with most recipes in the book.
After creating a few descriptive variables about the recipe, we initialize our ArgumentParser instance. Within the constructor, we define the description and epilog keyword arguments. This data will display when the user specifies the -h argument and can give the user additional context about the script being run. The argparse library is very flexible and can scale in complexity ...
