Let's begin by having a closer look at iteration, which is the process of repeating sections of a program. In the last unit we used the forever block in Scratch, which allows us to repeat a section of our program again and again, without stopping.
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The forever block can be used to code infinite loops, that is, loops that never end.
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Apart from infinite loops there are two more types of loops, count-controlled and condition-controlled. Let's look at these in more detail