Swift iOS Programming for Kids

A simple program without functions

Having an understanding of how our iPhone reads our code as a line by line recipe can help us understand the need for the concept of a function.

Let's imagine, for a moment, that we do not have any concept of functions when writing our code. Then, if we want to make a simple app that simulates the making of a pizza, we can write the following code:

print("Flattening the dough to form a round pizza ")
print("Adding some tomato sauce ")
print("Adding some mozzarella cheese ")
print("Adding some spicy pepperoni ") print("Preparing ...