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Hi, guys, my name is Karthik and I am from Automation Dotcom, and welcome to part 22 of our API testing

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with the and Australian workforce.

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And in this video, we're going to talk about contract API testing with a pattern using Lombok.

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And before writing this part, I would strongly recommend to watch Part 21 because this video is going

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to be a complete continuation of our previous video, Lombok Project.

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Lombok Spillar is a useful mechanism for using builder pattern without writing boilerplate code, and

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we can apply this annotation to a class or even a method.

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And again, guys, if you remember in our previous videos, No.

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Part 21 video we wrote and discussed about builder pattern and we saw the importance of having builder

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pattern and how it eliminates the problem with the telescopic constructors, with the poggio classes.

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But we also saw that there was a lot of boilerplate cause like you can write a static builder class

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and then you can write the getters and set an operation for each and every podell classes.

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So if the object is going to be very, very complex, then you probably have to write the same kind

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of code for each and every poggio classes that makes or introduce a lot of boilerplate code writing.

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And that is the reason this Lombok plugin is going to be very, very handy, because the Lumberg plugin

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gives a way that how you can reduce it by coding.

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So the first and foremost thing that we been doing for working with Lumberg plugin is to install the

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Lumberg itself, as you can see in here, as a Mabon dependency.

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So once we install this Lumberg plugin, but then can also install the plugin within our intelligent

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idy or any idea of your choice.

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So this way it reduces so much of the coding that you are currently doing in the existing core business

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that we are discussing in our previous video.

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So the current Podio class for the pause that we have is going to look something like this.

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As you can see, we have a post class and then we also have a better class and then we call this particular

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code in our code and we worked with it.

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But we also know that in our earlier videos, we had complex classes like address and locations and

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things of that nature.

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But now in order to simplify things for the post class, if we install this particular beta pattern,

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the only two annotation that we need to be using is the add data and add builder for the first class.

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That's it.

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This is the only thing that we need to be doing within our code or within our Poggio class, and that

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where this is going to eliminate so much of our coding that we are doing all these days.

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Guys, you can see that the code has now tremendously reduced from around 70 lines of code to just three

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lines of code or maybe five lines of code.

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That's it.

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This is the only thing that we need to be doing for our class.

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And this way it increases a lot of readability and removes the boilerplate code that we have written

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all these days.

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So let's quickly see everything in action and understand how things work so far that I'm not flip to

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my intelligent idee.

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All right.

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So now I'm an intelligent idee.

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And before I started this video, I have also installed the plugin within my intelligent ID.

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So if you go to the settings and then to the plugin, you can see that I have already installed the

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Lombok plugin, which I'm really not going to be doing as of now at this particular point.

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I'm just going to cancel that.

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But just make sure that you install this particular plugin with an intelligent idee so that you can

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start working with it.

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But within our project, with our Pumbaa XML file, we don't really have the Lumberg plugin Mabon dependency.

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So we need to somehow install Lumberg within our project as a dependency.

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So for doing that, I'm just going to go over here, I'm going to search for Lombok Mavin, this one.

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I think this is the latest version.

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I'm just gonna copy it and then I'm going to come all the way over here on this particular dependency,

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the same serried and you can see that the the dependency has been resolved.

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And there you go.

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So now we have this particular class with the builder class.

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So what I'm going to do is I'm just going to rename the speaker Podio class folder or the package so

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that I can make use of the builder pattern.

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And you can see that because I want to check in the code in the GitHub repo.

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This is going to create so much of confusion.

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So I'm just going to show this in an explorer and I'm going to make a copy of this.

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I'm it over here and I'm gonna call this aspergillus without further.

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And this is Podio with Better, the one which you have is going to be popular with Builder, basically

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leave it and we can see that we still have got these guys over here.

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So I'm just going to call this as possible.

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Let's rename this to Without Valdo.

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Copy this paste over here.

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And the address is OK.

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And the location.

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The posts and the login body, so you can see that this is going to be a separate package, which we

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are not going to be using at all.

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But just for your reference, because the students who are going to be learning the earlier videos are

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going to find this particular class missing within the GitHub repo just for their reference, like how

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we evolved with the speaker code.

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I'm just going to hold this guy as it is over here.

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But the code that we're going to be changing are these cards that you are seeing over here.

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So what I'm going to do is I'm going to use this particular builder pattern.

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So as I told you, the 50 lines of code or maybe fifty five lines of code is going to be completely

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synched into.

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As you can see here, that's the data.

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And you can see that it is telling me which particular dependence that it will be using.

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So I'm just going to hit all the enter and I'm going to use the Lembke Mabern dependency basically going

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to say it.

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And you can see that pretty much good to go now and now.

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If I go to the posts of this particular.

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Or you can see that it's showing us at this particular theater just fine, because we also need to add

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the at Baylor over here.

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So once I add this, if I go back in here.

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You can see that the Savar will now throw us an error, which is fine, but the builder that you can

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see in here is going to be this builder.

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So you can see that builders, builders actually coming from the Lumberg and the VA.

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I can change it to post, basically.

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And this one I can pertain to post as well, and you can see that this is throwing as an editor, the

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reason being I don't really have to use this particular new keyword in here.

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You can see that the court will now completely transform into something like this.

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And you may be wondering like what is the big deal with this particular piece of court and what's really

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happening?

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And you can see that within this particular assertions, I just called the post start, get out there

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and it is automatically coming as well.

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And within this picture, postcards, basically, I have not even written any of the letters or the

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SEDAR, but even if I hit the dot, you can see that it automatically brings me all the getters and

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setters.

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So how is this actually coming in with the Lombok plug in, how it is generating all these kind of steps?

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So basically, if you see the structure of this particular class, once they enter this particular data,

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it automatically added the get author and the set and also the builder's class over here, which is

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pretty cool.

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Now, let's say if I just remove this particular builder, you can see that the builder has been completely

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gone.

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And once I removed the data, you can see that it now becomes just like and class with just three properties.

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So the Lombok plugin actually generate all these cool stuff for us automatically with the plugin, which

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is which is already installed in our intelligent idee.

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And now this Lombok plug in is we are doing all the magic for us.

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And now how I can transform this code is going to be even more fascinating.

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So now if I just go back to my posts, I can even simplify this bigger piece of code, something like

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maybe I don't really even need to a better pattern because I don't really have to go through all those

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problems.

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Now, I just kind of call this book a postcard class, like how I used to do for the earlier core that

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which was that without builder pattern.

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So I can just call the same code here.

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Maybe I don't even require this book a piece of code from here.

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I can just call this a postcard get body.

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And then you can see that this particular code that we were using before is now going to be legal as

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well, which is pretty cool.

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So now I can just call the post class, but still it is going to use the same builder pattern.

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As you can see.

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It automatically brings that get author, get title, get it set author and surtitles and all that stuff,

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including the builder pattern.

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Now everything is working fine without any problem.

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Right.

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And now if I try to execute this particular piece of code, we will be getting an error here and you

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can see that it is going to tell us that there is no default constructor.

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As you can see, it is trying to bind and and it wouldn't be able to construct an instance of the Podio

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of the posts.

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So it's going to be the same matter that we discussed in our part 13 of this, cause we're just going

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to be adding a default constructor, but it doesn't really make any sense while using the Lombok plugin

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to do that.

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So basically, you can see that with the with the Podemos post class.

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We have used this builder pattern, but you don't really require it because you have not used any one

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of those option or hear it in our code.

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So probably you can just remove the builder alone because we're just using the getter and setter operation.

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We will talk about how we can even extend this accord with the builder pattern in our next video.

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But as of now, you can see that this particular code doesn't require that particular stuff.

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So I can probably just leave this guy as it is because I'm just going to call the get an operation.

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That's what I'm too much interested in.

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And now if I try to execute this bigger piece of code, you can see that the scenario got tested and

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the test has got passed, which is pretty cool.

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So this is how we can actually use the Lombok plugin to do a greater job for us.

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So this reduces too much of our codings that we were doing all these days so we can even reduce the

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dialogue in operation that we were doing before using the Lombok plugin.

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So I'm just going to get rid of this and I'm going to put the data.

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There you go.

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And use the.

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Used to Lombok, that's it, and you can see that it has been reduced tremendously and also I can use

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the Lombok for the location as well.

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So I'm not going to remove this.

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I'm going to put data here.

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That's it, and you can see that it's done and similarly for the address, I can remove all of them

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for here and I can put that data and there you go.

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So we're done.

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So now we have the address, location and body, very, very super simple called then compared to the

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code that we were writing so big all these days.

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Right.

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So this code is now reduced tremendously.

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And now if I tried to even execute the complex operation code over here.

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You can see that the test has got passed successfully, so this way you can see that we can reduce tremendous

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number of coatings using the Lombok plug in and with the Lumberg package itself.

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And this is a keen observer pattern as well, because he even farther with the situation, suffusing

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builder patterns, because we have not used that builder yet.

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We will be discussing about that, how we can set it in a body or maybe in the header, and then how

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we can extend that particular piece of code in much greater detail.

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So, once again, thank you very much watching this video and have a great day.