Let’s look at some samples of using recursion. Sometimes we use t because it is easier to write and maintain. Sometimes it is because it’s about the only way we can. The use of recursion is all around us. One major example is in fractals. A fractal is a never-ending pattern. Fractals are infinitely complex…
We’ve seen examples of where one function calls another. For example inside of main, you see that load_data(), total(), and average() are called. Recursion is where a function, calls itself. As you can see, calling yourself is “easy” but also “dangerous”. You can easily end up in an infinite recursive loop, that is until you…
We’ve looked at working with a single object. But what about real life situations, where you need multiple objects? For example, as Python Object of a single student is nice, but you need to have a group of them to be really useful. This also works for other objects, like cars on a dealership lot,…
While our class works well, there are a few additional things we can do to make it better. Add Security One down side to our class is while we have class variables, anyone who knows our variable names can access them by specifying our object instance name and then the variable name, like in the…
Let’s look at building a simple class. A dice class. If we think of a dice, we know there are different types. We’ll look at something simple like a standard six sided dice. Defining the Class We need to define the class. This starts off similar to a lot of Python. We’ll have a class…
Class vs Object One of the big questions about OOP is what is a class, vs what is an object. A class, sometimes called class definition, tells us what the object will look like. What internal variables they are using, and what methods will be used to access and control those values. However, it is…
There are various forms of programming, and programming languages. The three most common you will find are listed below, procedural, then functional, and finally object oriented. Each of these have their own benefits and drawbacks. We’re going to look at a high level at these, and see how it will help us move forward in…
Serialization is the process of converting an object into a series of bytes, called a byte stream, to be stored or sent for later use. This could include being sent across a network, written to a file, or other process. In Python, this is called pickling. Now, we’ve seen how to convert numbers to a…
