The bottom line: Python classes are a two-edged sword. Classes are without doubt a powerful concept. Used correctly, they can make your code tidier, more readable, and maintainable.

Getting started is relatively simple, got to love Python! You will create a class in just the same way you create a function, except you will use “class” instead of “def.” ...

Everything in Python is an object, or so the saying goes. If you want to create your own custom objects, with their own properties and methods, you use Python’s class object to make that happen ...

Many classes are kept in separate files, meaning they work just like a Python module. However, not all classes are modules, and likewise, classes can be included in-line in the main flow of your code.

The import statements at the top are used to import the package dependencies.. The next piece of code creates the class and the constructor. The line self.declare_parameter('my_parameter', 'world') of ...