Daniel Arbuckle's Mastering Python

The cmd class

All we have to do is inherit from the cmd class and define the methods that implement commands the user can type.

Create a usecmd.py file with the following code:

We'll set the prompt attribute to a string that will be used to prompt the user for a command. Run the following command to execute the usecmd.py file:

$ python3 usecmd.py

The output of the preceding command is as follows:

Next, we'll create an instance of our Interface class (shown in the following screenshot) and call it the cmdloop method. Presto! Instant interface: ...