Basically, you can't do something for each item in a list, like you can in python.
Instead, you have to cycle through all the indexes of the items in a list.
At least that's the way I think about it.
The first thing you put in is a variable, and then the condition that it will loop through while that condition is
true, and then what you want to do to that variable.
So cycling through a list is:
Which is why this works