Free loop

Imagine you have a piece of string or rope. When you hold both ends of the string and make a circle, it becomes a loop. If you tie one end of the string to a fixed object like a chair, and hold the other end in your hand, you have a "free loop."

In computer programming, a "free loop" is like the string. It is a set of instructions that are repeated over and over again until a certain condition is met. For example, imagine you are counting the number of apples in a basket. You might use a free loop to count each apple until you reach the end of the basket. This is helpful because you don't have to keep typing the same instructions over and over again - the free loop does it for you.

But just like with the string, you have to be careful with a free loop. If you don't put in a condition to stop the loop, it might keep going forever (kind of like tying the string to a chair and never letting go of the other end). This can cause your program to crash or get stuck, which isn't good.

So, a free loop is a way to repeat instructions in programming, similar to making a loop with a piece of string. But just like with the string, you have to be careful not to let it run forever.