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Hi, guys, how are you?

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I'm all right, so let's get down to business and let's try to resolve the assignments of methods right

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here.

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OK, so once you open your by chance, as always, great.

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And you file, you can call Python methods.

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Practice.

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Right, and then Mathis practice.

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And let's try to see how can we resolve these two parts of the use of the assignments.

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All right, so first of all, in part, you were asked to create a new method and call it sorting.

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Right.

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And the sorting variable, the sorting method should get arbitrary arguments.

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So this is mentioned by these staff specially, and then we should put languages list because it's going

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to receive programming languages.

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All right.

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And then inside the method, you first of all, let's go to the to this easy part.

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All right.

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So sorting should get three executions the first time.

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It should be Python, then it should be JavaScript.

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Then it should be C++.

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I'm not sure this is was the order, I think that the C++ execution was the last one mentioned.

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Oh, what's going on here?

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Oh, I'm confused, I forgot quotation marks here, and that's it.

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I'm not sure because I think that it should get the this execution should be the last one.

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But the order is not meant matter really much.

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All right.

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And then we had Python and Java.

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And we had something.

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Fight on ops.

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On.

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Java.

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And go, right.

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OK, so we're good.

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We have these three or three executions right here and now that's handle what will be the content of

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this method.

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So what you were asked to do in this in this method is basically to scan each item.

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OK, so one item would be language in language like that and then print out whether it's Java or not.

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OK, so if.

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Language.

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Equals equals Java.

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Then Brent.

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Um, language.

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Like Jova.

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Language.

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Oh, shut up, language found, sorry, I was thinking about how to resolve it in a different way.

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All right, this far we're good.

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Let's try to run it.

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OK, so you can see here that we have only two of these printouts of Java language found and accordingly,

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right here we have these two which Java is mentioned in there by the first one, does not have Java

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inside.

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So up until this point, we're good.

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We're OK.

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And you also ask to do the following thing.

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You're asked to scan once you get Java, you were asked to scan the Java variable and print the letters

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of Java one about the other.

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And we're going to do it right here.

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You can see that like the cursor right now is blinking inside the method.

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Correct.

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Then afterwards I created a for loop.

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OK, so we have a certain indention that I marked right here.

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And this indention means that whatever comes here in the intention is inside the for loop, OK, because

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the loop has less intention.

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So now we're inside it if and this if is inside the for loop.

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OK, and here we asked whether if language equals Java and inside the if we have more intention and

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the print of Java language found this in here.

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OK, but after we've printed out the Java language is found.

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I'm not staying in this indention because this indention level is inside the F basically.

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Yeah.

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I need to stay here.

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Yeah.

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OK, so I'm just saying this indention right here because I want to stay inside the if because if I'm

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inside the if it means that the currently Java variable is caught and this is what I'm looking for.

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And right now I want to scan each of these letters right here and each and every one of them want to

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print them.

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So I'm going to do is the following.

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We went over this in the previous in previous lectures, I think it was in variables, one of the first

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lectures.

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And in here, I want you just to write a for loop and mention here character in language like this.

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All right.

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So basically this will do is once you do print character.

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OK, so now we have a for loop, which the whole one the whole unit is language is one word in our case

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is Java.

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And the one item inside the hole is a character.

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It's going to break down the Java into one character each time.

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So let's try to run it and see that we were OK.

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Great.

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All right.

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So you could see Java language found.

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Then we have Java printed one above the other as we were asked to do and just to be just using like

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100 percent if this was an interview question.

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If you haven't.

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If you haven't.

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If I always mention the else as well.

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And right here you can mentioned.

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Like print, Jova was not found.

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OK, so if we run it, we will see all states you can see here Gevalt found, Jonathan Geminid found

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and only only one Java language found.

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OK, so the Java was printed out.

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So you can see right here.

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All right.

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So I think this concludes our assignment, our first assignment.

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This will be printed each time.

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We would not scan a the Java language, for example, Python, JavaScript or C++.

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So you have JavaScript here, C++ here.

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So sorry, Python here.

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Yeah, JavaScript and then C++ or Python, JavaScript, C++ just going to match these values to the

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outputs.

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Then we're going to the next one and we having here by dawn.

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OK, the next one in line is this one which is scanned and then we have Java OK, which is this output

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right here.

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So accordingly after Gervais's found we were printing the letters and then again we have Germinal found.

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All right, which is despite unvaluable scan and then we have Java language found, which is this one

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also printed out and the last one Javadoc found.

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All right.

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We can also mention here the name of the variable.

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So it would be easier and we do not have to guess.

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Right.

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Like this.

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Yeah, OK, so Python, Java, JavaScript, C++, then Python and all of these are not Java.

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And basically you have your answer right here.

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OK, let's just lose the empty lines.

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That's it.

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So what we see here is we have our method, which is this part right here.

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It's like a bulk of code.

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It's like a bag with goodies inside.

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And separately, we have the execution level right here.

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OK, so this is how it works.

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You see here the method which is at the side and right here you can see the execution separately.

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OK,

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so this was part part A.

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And I think we're ready to go to PABI now.

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All right.

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Oops.

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And right here in Palm Beach, before we begin, I just don't want to have mixed outputs here, so I'm

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just going to mark everything in power and use a control and backslash to comment it out.

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So Pichon would ignore this code for now.

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And let's start resolving Part B..

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OK, so what do we have in Palm Beach?

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We have in part B, a task which will be a tax calculation.

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And first of all, we need to create for the first method, which is tax calculation, according to

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the guidelines.

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And it should be a gross salary.

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And tax, OK?

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In and inside of it, we should get net salary.

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OK, we're going to calculate the net salary.

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Yeah, and it should be gross salary and then reduce from meet

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the gross salary.

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You know what you can do.

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It's like it's a metric.

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OK, it's not a trick.

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It's like a math calculation.

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Indeed, in many ways I'm going to do the following thing, one which is like a hundred percent of the

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salary.

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If we leave it like that, like gross salary multiplied by one, we'll get 100 percent of the gross

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salary.

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But if we multiply it by one minus the tax, OK, so we will get a tax reduction in the net salary right

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here.

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OK, so we're getting one minus the tax and we're multiplying this value by our gross salary.

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So our gross salary will be smaller.

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It will be the net salary without the taxes.

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OK, this far so good.

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And then also please return the net salaries to just enter the keyword return and mention what do you

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want to return.

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I want to return the net salary.

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OK, this far we're OK right from here.

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Let's try to execute the first, the first one the like.

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This is the first method.

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We have two methods in this assignment, so let's try to execute this one and it's returning a value.

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So I'm just going to mention it here.

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Net salary and we're going to execute it three times.

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So we need three separate value variables and then we have tax calculation and the first one gets five

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thousand for the salary and zero point two for the tax.

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Second one.

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Let me just copy it to save some typing word.

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Bill Gates once said that the best developers are the lazy ones because lazy developers don't waste

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time on writing code again and again if you can find some shortcuts, so always do it.

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It's not a negative thing.

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The only effective.

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All right.

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So the second execution had 6000, the salary and Zurda 22.

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And the last one was 10000 like this.

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All right.

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But right here, we have a small problem.

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OK, so if you look at these three lines of execution, you can see the last line has like a gray background

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here.

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And once you hover above it, you can see Paramatta tax field because we missed something crucial.

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All right.

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We missed that.

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You were asked to use a default value for the last one.

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Let's have a look.

190
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OK, so let me just find it

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right here.

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Notice that if no tax variable is fast into the method, it should use zero 22 by default.

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All right.

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So let me just get back to Vikram.

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So we need to use some of default value.

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We studied it in the previous lectures and just put equals here and put the default value like this.

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So this will come in use only when we do not pass a variable into the method as it goes here in the

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third execution.

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00:13:25,010 --> 00:13:28,430
So this would come into action and would be used.

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00:13:28,740 --> 00:13:29,240
All right.

201
00:13:29,690 --> 00:13:35,240
So I think we're OK for this balustrade to run it and see that we're good.

202
00:13:35,630 --> 00:13:36,730
OK, there is no errors.

203
00:13:36,740 --> 00:13:38,210
I don't have any printouts.

204
00:13:38,210 --> 00:13:45,050
So, you know, I can just print out here the net salary.

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00:13:49,020 --> 00:13:53,160
And plus, casting and net salary.

206
00:13:53,550 --> 00:13:56,260
All right, just to see that everything's fine.

207
00:13:56,760 --> 00:14:00,510
OK, so you can see reduction here from five thousand to four thousand.

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00:14:00,510 --> 00:14:05,350
From six to four forty eight hundred and from ten to seven thousand eight hundred.

209
00:14:05,370 --> 00:14:12,540
So this far we're OK, but we have an additional assignment, additional method that needs to be created

210
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and the method should be as follows.

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00:14:16,710 --> 00:14:25,950
OK, so the next method you're asked to create is salary limit testor, if I'm not mistaken.

212
00:14:26,880 --> 00:14:27,300
Yeah.

213
00:14:27,300 --> 00:14:28,890
Salary limit Testor.

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00:14:28,890 --> 00:14:29,730
Let's create it.

215
00:14:32,700 --> 00:14:37,800
Like this, and it should get a net salary variable inside it.

216
00:14:40,400 --> 00:14:50,060
By the way, notice that this variable received here does not have to be the same, which is passed

217
00:14:50,060 --> 00:14:51,060
into the method.

218
00:14:51,080 --> 00:14:57,710
OK, so right now I'm just going to do the following thing, salary limit Testor and put the net salary

219
00:14:57,710 --> 00:14:58,730
one inside it.

220
00:14:58,790 --> 00:15:06,230
OK, so you can see I offset inside net salary one, but it received net salary variable because you

221
00:15:06,230 --> 00:15:09,200
don't have to match these names because this one's dynamic.

222
00:15:09,420 --> 00:15:16,940
OK, inside the method and the first time and the first execution we put net salary, one bought in

223
00:15:16,940 --> 00:15:19,590
the second time we put the necessary two, OK.

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00:15:19,880 --> 00:15:25,670
That's why this name is not connected to the name that is passed into the method is no connection between

225
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them.

226
00:15:26,750 --> 00:15:27,230
All right.

227
00:15:29,210 --> 00:15:35,690
So just put a pass here because I see what when I don't put that you have a small red line under the

228
00:15:35,690 --> 00:15:37,310
net salary under the end here.

229
00:15:37,340 --> 00:15:39,580
OK, so for now, just going to put Bas here.

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All right.

231
00:15:42,180 --> 00:15:51,520
So I think we are prepared to put content inside this method right here and inside this method, you

232
00:15:51,520 --> 00:15:55,110
were asked to check a simple thing if.

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Net salary variable.

234
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Is bigger or equal to five thousand eight hundred like this, and if it does, then print success.

235
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Success.

236
00:16:17,460 --> 00:16:18,600
The salary is.

237
00:16:20,380 --> 00:16:29,440
And then just put casting and that Sellery variable and and just put a plus here.

238
00:16:30,760 --> 00:16:38,910
Yep, like this, and if it's not, then we want us always to use the hours, which is the default exit

239
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point and right here.

240
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The salary.

241
00:16:45,850 --> 00:16:48,970
He's under five thousand eight hundred years.

242
00:16:50,810 --> 00:16:52,580
And podcasting.

243
00:16:54,740 --> 00:16:56,330
And that salary variable.

244
00:16:56,810 --> 00:16:58,880
OK, let's run it.

245
00:16:59,070 --> 00:17:00,950
Oops, I clicked on the debug.

246
00:17:03,350 --> 00:17:12,610
Yeah, OK, so the first execution with 5000 you can see like the net salary is 4000.

247
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And the second method brings out the salary is under 5200.

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00:17:17,210 --> 00:17:17,780
It is four.

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OK, so what happened here is we executed from top to bottom here.

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We executed the first method.

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We've said 5000 inside and to end up in here and we reduce the tax and we got the net salary.

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Then we printed the net salary inside the first method right here, the net salary.

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Then at the end, we have returned the value.

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So the value value is returned to the execution level here.

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OK, this thing returned us 4000 and it went straight up in net salary one.

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This variable got four thousand.

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Then we took this four thousand and we've set inserted it into this method, the salary salary limit

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test and the variable went inside here and then it goes up in here inside the method.

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OK, this thing gets four thousand and it gets to here.

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Four thousand is smaller, is smaller than five thousand eight hundred.

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So this case is false.

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The statement is false.

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So it goes straight to the house and inside the else we're printing the salary is under five thousand

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eight hundred.

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It is four thousand.

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OK, same thing for the second thing is for the second run when we use the six thousand here and we

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were reducing the tax and it gets four thousand eight hundred still under five thousand eight hundred.

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But in the last one, once we reduce from ten thousand to taxes we get seven thousand eight hundred

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and then once we put the seven thousand eight hundred inside here.

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OK, success, this salary is seven thousand eight hundred.

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So this pause right here is a true statement.

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So this one is printed out.

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OK, so it seems like there are two parts in method.

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Those always two parts.

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You have the part of the method declaration and method content.

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OK, same goes here.

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Declaration and content and the content.

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You know, it's the content because you have indention here and right here we are executing the methods,

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the not like not connected.

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There are two parts here, the declaration and the execution.

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OK, so the execution starts from here.

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We execute the first method.

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Then we get this variable, we put this variable inside here and the salary limit test gets the second

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variable and then this thing is executed.

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And then the second time all over again and all over again once more.

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OK, I think we covered all method.

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Stop these questions, surely going to be asked in interviews.

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So it's really important to understand everything we did here.

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You can also watch it maybe a second time if it's a bit hard for you.

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And also you can just copy the file of the results, which is attached to this lecture and just play

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with the variables and play with the methods and understand deeper what happened here if you had had

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some trouble.

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I think that all topics of methods, like most of them, were covered, covered here.

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And we'll we are dominators in methods as well.

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I'll see you in the next lecture where we start discussing object oriented programming.

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Basically, we're going to use methods as building bricks or puzzle pieces.

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Both methods for metaphors goes here.

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I'm going to use them as puzzle pieces in object oriented programming, and we're going to use object

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oriented approach by using methods in the correct way, in the structured way, same as professional

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programming.

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LS worldwide are using it and at the end we're really close to becoming a python ninja developer.

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Thank you for this lecture and we'll see you in the next one.

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Bye bye.