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So guys, we are going to continue the discussion with respect to our Python series and this video.

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We are going to deep dive into the operators.

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Uh, and we'll see that how with the help of Python we will be able to perform different different operations.

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Now here is the entire video outline.

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So first of all we will go ahead and see introduction to operators.

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Then we'll see multiple arithmetic operators like addition subtraction, multiple multiplication, division

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flow division modulus and exponential.

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Along with this we will see comparison operators like equal to not equal to, greater than, less than,

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uh greater than or, equal to, less than or equal to and will perform various operations.

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Along with.

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This will also be seeing logical operators like and or not.

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And then will will be like all these things will be shown along with the practical examples.

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Right.

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So let me just go ahead.

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First of all, if you don't know about operators, guys, any kind of math, arithmetic operation or

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logical operation can be probably performed with this kind of operators.

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Okay.

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And, uh, obviously when we write any Python code, we definitely require a lot of, uh, operations,

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uh, probably to develop our projects and.

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All right, so quickly, let me just go ahead and create my code cell.

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And here, uh, I will show you one shortcut.

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You just press escape and press A automatically.

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Cells will get appended.

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Right.

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So first of all, uh, we are going to go ahead with arithmetic operations.

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Right.

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And, uh, here with respect to the arithmetic operations, uh, let me just go ahead and create some

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variables like a is equal to ten.

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Uh, oops.

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So I will go ahead and write okay.

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This is getting added.

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We'll discuss about all these things.

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No worries.

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So a is equal to ten okay.

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And let's say I'm going to write B is equal to 15 if I want to perform any kind of operations over here.

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Right.

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Let's say I want to perform a basic arithmetic operation.

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I will go ahead and write.

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Result is equal to A plus B.

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So this is the addition operation that we specifically do.

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And here I can go ahead and print my result right a simple addition operation.

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So here my answer is 15 right.

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Similarly what I can actually do is that again so this will basically be my ad ad result.

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Okay.

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Similarly we can go ahead and create our subtraction result which will be nothing but a minus B.

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Then uh, along with this we can go ahead and do our multiplication result, right, which will be nothing

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but A multiplied by B.

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Uh, this is what we specifically get with respect to the multiplication operation.

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Uh, along with multiple operation, we also have a division operation.

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So let me just go ahead and write.

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My division underscore result is equal to a divided by B.

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Okay.

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Uh and then we will also be having flow division.

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We'll discuss what is the difference between flow division also.

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So here you can see flow underscore div underscore results okay.

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And here you can see I have to just use a double slash like it's not divided, it's double divided by

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B.

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Okay.

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So we'll discuss about this.

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Why exactly we use this flow division okay.

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So this is my, uh, addition operation.

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This is my subtraction operation.

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So subtraction

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operation.

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And the next one is my multiplication operation.

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And this is by division operation.

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And this is my flow division.

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We'll understand everything over here.

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Don't worry.

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Uh.

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Normal operation.

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I think you know it, right?

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It's basic maths.

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Then.

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Uh, you also have, which is called as modulus operation.

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Okay, so here I'm going to basically go ahead and write modulus underscore result is equal to a modulus

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b.

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So we'll discuss about this.

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So this is exactly my modulus results.

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Or here I can write a modulus operation okay.

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And then finally you'll also be able to see that I will also use an exponential operation.

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And here I can go ahead and write exponential underscore result which will be nothing but a to the power

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to the power.

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We basically say like we use this two star to the power of B.

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Okay, so this is basically my exponential operation.

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Okay.

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Perfect.

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Now let's go ahead and print this results.

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So here we have this.

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Then again I will go ahead and write print.

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Then again I will go ahead and write print.

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I'll copy this print multiple times because I need to display this results together okay.

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So now uh, let me just go ahead and write the subtract result.

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Uh, let me go ahead and oops.

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Just a second.

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Multiple results.

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So I will go ahead and paste it over here.

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And then we have our div result.

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We'll paste it over here.

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Then we have our modulus result.

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We'll paste it over here.

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Then we have our exponential results.

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We'll paste it over here okay.

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One flow division result is pending, so let me just go ahead and write it over here.

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Print and I'll paste it over here.

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So here you can see addition is 15.

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Subtraction is five.

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Multiplication is 50.

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Division is 2.0.

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And floor division result is nothing but two.

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Right.

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We will discuss about both of them by 2.0 and two.

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Then you have modulus operation.

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Modulus basically means that it will try to just give you the remainder right.

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So here you can see ten divided by five is uh like the remainder is zero.

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So that is the reason you will be able to see zero is over here.

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And when we do a to the power of B right, ten to the power of five, we are actually going to get this

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value right.

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Now.

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Let's discuss more about this two okay.

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This two operation.

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Let's say that I want to uh, divide a number like ten divided by five.

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So I will be able to get two If I go ahead and write, let's say I will go ahead and write 21 divided

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by five.

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And obviously you know the result.

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It is 4.2, right.

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But if I use floor division then what will happen is that I will get the answer as four.

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So whatever will be the floor value right.

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The lowest value, it will just remove the decimal and it will give you the output.

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Okay.

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So this is a basic example.

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Now you can perform various operations.

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Uh, and uh we will see I'll try to create a calculator for you.

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And over here only I will show you that particular project also right as we go ahead.

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Perfect.

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Uh, now uh, the next step we are going to probably discuss about is comparison operators.

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Okay.

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So let me just go ahead and write it down and basically write it down as comparison operators.

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So guys now let's go ahead and see some of the comparison operators.

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Uh, now first of all uh we will go ahead with double equal to okay.

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So we will be using double equal to.

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Now let's say that uh, I will go ahead and create a result or let me just go ahead and define a variable

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called as a is equal to ten okay.

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And b is equal to ten.

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Now if I want to probably compare this operators right.

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What I can actually do I can go ahead and write my result and let me just go ahead and simply use a

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tuple.

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I will talk about this brackets and just let me write it like a double equal to B.

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Or if I don't even want to write like this, just go ahead and write a double equal to B, right?

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If I execute it, I will be able to get true over here.

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So this is nothing, but it is a more of a equal to comparison, where it will be comparing between

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two identifiers and what value it has.

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Right.

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The the.

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It basically compares the value that is present within this particular data type.

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Okay.

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Then this is equal to operator.

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So here I'm let me go ahead and write equal to operator.

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And you can apply it.

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And on various different data types let's say I have str one, my string one I have like Krish okay.

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And str two I have crush, right?

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Same same string.

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Right.

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So capital crush and crush.

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Now if I go ahead and write str one double equal to STR2, then here you'll be able to see I'm getting

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true.

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Right.

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Let's say if I use a small k okay.

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Then you can see that I'm getting a false.

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So this comparison is also with respect to case sensitive right.

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So whatever data is present with respect to this it is just going to compare it okay.

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Okay.

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So this is uh, some type of operations.

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Uh, the next comparison operation that we are going to discuss is nothing but not equal to.

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Okay.

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So not equal to which is denoted by this exclamation not equal to.

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Now if I go ahead and just write str one is not equal to str two.

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So obviously based on this comparison you can say that this is exactly false because both of the strings

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are true.

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right?

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So that is the reason it is coming as false.

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Let's say if I go ahead and define again my string one and string two, let's say I go ahead and define

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it as string three.

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Uh string three.

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And then this will basically be my string four.

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And now let me make this as a small character okay.

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And let me go ahead and write s three str three is not equal to str four.

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Now it should probably give me a true value.

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Why?

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Because both of them are not equal right.

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So this was another operation that is not equal to okay.

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Now coming to the next one uh, which is basically called as greater than.

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So this will basically be greater than.

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So this is again a comparison operation, uh, which we can actually use, let's say, and this greater

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than operation, let's say I have a value like 45 is equal to 45.

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Or let me just go ahead and one number one, uh, 45, number two is 55.

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Now if I go ahead and write, number one is greater than, uh, number two.

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Right.

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So the answer may be false because number one is obviously small over here.

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So here you can probably see that I'm actually getting false.

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Right.

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So this is uh one example of greater than operation.

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And uh similarly if greater than is there then obviously less than should also be there.

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So less than operation which is denoted by.

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This greater than operation is basically denoted by this okay.

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Now in this case if I want to execute less than.

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So again if I go ahead and execute num one is less than num two.

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So here you'll be able to see that I'm able to get true right.

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You can also print this result.

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At the end of the day, I'm actually going to get a boolean value itself because this is a comparison

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operation.

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And with respect to all the comparison operation we are either going to get true or false.

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Okay.

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Now this is fine line less than.

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Is there greater than is there.

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Now obviously you also have something called as greater than or equal to right.

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So let me just go ahead and write greater than or equal to right.

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So here uh, let me just go ahead and show you once more, one more example.

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Let's say that, um, um, I have a number one.

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Number one is equal to 45 and number two is equal to 45.

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Okay.

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Uh, now if I go ahead and put this condition number one is greater than or equal to number two.

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So I'm basically going to get the answer right over here as true.

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Because obviously this is equal.

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At least one of the condition is basically getting true.

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Right.

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So if I go ahead and print it you'll be able to see this right now here you can actually see that yes,

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everything is working fine and I'm able to get true.

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Now.

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Similarly there is one more comparison operation which is nothing but less than or equal to.

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Now, in this particular case, if I apply the condition less than or equal to two, again, I'm going

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to get true because 45 is equal to 45.

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So one of the condition is getting matched less than or equal to right.

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If I go ahead and probably, uh, let's say in 40 number one, I go ahead and write 44.

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Then also it is going to be true because, uh, this condition is getting matched because number one

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is less than number two.

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Right.

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So over here, this is another one operation.

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Right.

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So just you got an idea about various comparison operation, uh, that we have actually done.

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Now, let me do one more thing.

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Uh, let me just go ahead and, uh, talk about logical operators.

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Okay.

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So here I'm going to basically create a field and let's say I'm going to write logical operators.

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Right.

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So one is that we have discussed about comparison operators.

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So let me make a cell over here so that for your reference purpose also it becomes easy right.

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So for cell comparison operators.

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Okay.

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Done.

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Perfect.

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So comparison operators.

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And here you have all the things right.

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And now we are going to discuss about logical operators.

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Now logical operators basically means the 311 is and one is uh not okay.

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And one is or.

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Right.

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So most common operation in logical operator is something like this.

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Now let me talk about this right.

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In the case of and you know and if you know about digital logic gates, I hope in college at least some

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idea you have about it in case of and when both A and B right are true, then only you will be able

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to get the output as true, otherwise it will be completely false.

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What do I mean by that?

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Let's say I have two boolean variable.

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One is x.

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Let's say it is true right now.

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In this particular case, if my y is also true right now, if I go ahead and write okay, let's say

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that I go ahead and create my result and let me go ahead and write it as X and C and operation.

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We have to use Y right now if I go ahead and print my result, if I go ahead and print my result, you'll

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be able to see that I'm able to get true right?

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Because both of them are true.

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Right?

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But in this particular case, if I just copy this and paste it over here and this case now, let me

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say that if y is false, then if I go ahead and execute it, it's going to come false, right?

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Even though this may be true and this may be false, then also I am able to get false.

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So in the case of and operation right always you need to make sure that whenever both the variable will

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be boolean true, then only your output will be true, right in the case of an operation.

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Now let's go ahead and understand about our operation.

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Now, in the case of our operation, uh, only in the case of only in the case when x and y are false,

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x and y are false, then only we are going to get the output as false.

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Uh, the remaining all the time.

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If I keep it as true or false or true?

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True.

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Uh, okay.

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Uh, sorry.

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This is.

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And.

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Right.

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Okay.

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Or now, any time you'll be able to see whenever I keep x, X, either one of them is true or both of

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them is true, I'm always going to get the output as true.

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Otherwise, if both of them are false, I'm always going to get the output as false.

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So this is the most important thing with respect to the Or operation, right?

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And finally you'll be able to see that I also have another operation which is called as not and not

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operation is nothing, but it is the reverse.

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It is just a reverse of a boolean variable, right?

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What do I mean by that?

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Let's say I have x is equal to true.

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Right?

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And if I go ahead and write not of x then what?

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I'm able to get c inverse of this x right.

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So here I'm able to get false right.

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So not is nothing.

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But it is an inverse of any boolean variable.

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So if this boolean variable is false then if I go ahead and write not of x then I'm actually able to

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see that I'll be getting true.

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Right.

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So here we have discussed various comparison logical operators.

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Again it will be important for various arithmetic operations as such.

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One uh good code example arithmetic or uh simple calculator will be designing and you can probably check

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out this code okay.

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So here you can see I'm giving float enter first number second number.

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And you are performing addition subtraction, multiplication, flow division, modulus exponentiation.

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And here you are displaying it.

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So let's go ahead and execute this.

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So if I go ahead and write uh 12 and execute it for execute it.

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So here is what is my output.

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Right.

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So I hope uh you were able to understand regarding operators.

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Uh, this was it from my side.

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Uh, yeah.

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Uh, I will see you all in the next video.

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Thank you.

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Take care.