The `enumerate()` function

The enumerate() function can be useful to help you count what iteration you are currently on. It can be used like so:

enumerate() sends back a tuple which contains two elements: the current iteration number (0-based) and the current element in the iteration. Any iterable can be passed into the enumerate() function.

Here's an example function, taking from the OpenClass source code, that utilizes enumerate():

Try to examine the function carefully and see if you can understand the logic!

Practice!

4.2 For Loops - Lesson