Nina Zakharenko
Microsoft
Check out a free preview of the full Intermediate Python course
The "Class Instances" Lesson is part of the full, Intermediate Python course featured in this preview video. Here's what you'd learn in this lesson:
Nina introduces an example to illustrate how an instance of a class allows the user to call methods on the class that only refer to the bound instance.
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CloseTranscript from the "Class Instances" Lesson
[00:00:00]
>> Nina Zakharenko: But the kinda funny thing about Python, in languages like Java. You're kinda required to make getters and setters to modify stuff within your class. But Python is a little bit more willy-nilly, so I can just go and change the value of dot runs for my Subaru for my instance.
[00:00:26]
I don't necessarily need to use a getter or a setter. Using them is a best practice in software projects to take out some of the mystery, but you're not gonna get a syntax error. Python's not gonna stop you from doing this type of modification. So now if I call my_subaru.start and it takes the name, so I'm gonna have to pass one in it again.
[00:00:50]
What will I see printed out?
>> Speaker 2: Broken set.
>> Nina Zakharenko: All is broken, time to do more front end masters classes to pay for the repair.
>> Speaker 2: [LAUGH]
>> Nina Zakharenko: Okay, so that self variable that refers to an instance, and if I make a new car.
>> Nina Zakharenko: Let's call it a mustang car.
[00:01:16]
>> [BLANK AUDIO]
>> Nina Zakharenko: If I check runs on mustang car, what will I get?
>> [INAUDIBLE]
>> Nina Zakharenko: It's true, right? So the changes that I made to my Subaru only applied to my_subaru instance.
>> [BLANK AUDIO]
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