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OK, so we're done with the second chapter.

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Now you've seen the first two fundamentals of the column programming language, and we of course, have

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a bunch more fundamentals to learn object oriented programming, but on more advanced stuff as well.

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So in this chapter, what we have looked at are variables, so how we can store data.

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Then we saw that there are different data types that we need to be careful with.

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Then we looked at these statements and when statements, so code that will only be executed if a specific

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condition is met.

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And then also loops.

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So code that will be rerun multiple times depending on conditions and also on how many times you want

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it to run, or maybe even how many times it's supposed to run based on values that it has based on its

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state.

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And then we looked at functions which allow us to sum up code to be reused.

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And this is super important and useful, and that book come in even more useful when we get back to

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object oriented programming.

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All right.

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So then we also look at knuckleballs.

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So how to use variables which have a null value, which are pretty much empty?

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And what you need to consider when using them?

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All right.

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So that's it for this chapter.

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I hope you also run through the exercises and to finish them.

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And yeah, let's get right into the next chapter and where we're going to look at object oriented programming.

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All right, so see you in the next chapter.