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Welcome back.

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Remember in Python, that string is written as STR and this is a special word.

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Actually, it's a built in what we call function or a built in action that we can take.

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Now, let me ask you this.

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What happens if I do string?

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100.

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100 is clearly a number, an integer.

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But what if we run the string function on this?

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Let's find out.

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Let's do.

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Print here.

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And then run this if I click Run.

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I get 100.

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All right.

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But.

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Hmm.

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Is this an int or a string?

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To find that out.

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Once again, let's wrap this.

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So the answer of whatever this value is into type.

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Like so.

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I know this is a lot of brackets, but remember, we're evaluating this piece of code, so we're turning

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100 into a string or running the string action.

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And then we're going to check the type of this entire thing and then we're going to print it out if

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I click Run.

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I see that it's a string type.

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So we've converted 100 into string using this.

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Now, just to confuse you a little bit more, what if we do something like.

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Didn't.

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Like this.

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All right.

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Even more brackets.

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What happens now?

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Can you guess?

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Well, we convert 100 and to a string, then convert it back into an integer and then we check the type

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of it which is a class int and then we print that.

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So remember this was the same as me saying a equals str 100 and then B is going to equal int.

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Of A because we're evaluating this part and then I'm saying C is going to equal the type of whatever

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B is.

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And then finally we're printing C.

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So that piece of code was the same as doing this.

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Very, very cool.

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Now, this is the idea of type conversion.

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Again, if I were to write that down, it's called type conversion.

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We're converting the type of our data types, and you can do that throughout programming and we'll talk

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a lot about this throughout the course, but it's the main reason we have things like STR int, we have

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things like float and many other data types that we're going to talk about.

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I'll see you in the next video.

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Bye bye.