I made a special code to break a big group of words and numbers into three smaller groups, so it's easier to understand. The code looks for a pattern with numbers, words, and more numbers, separated by commas. This is called a "regular expression" and computers use them to see if a bunch of letters and numbers matches what it is looking for or not. For example, if a computer was looking for an email address, it might know that it needs an '@' sign in it, and that it can't have any spaces. We could write one of these codes that tells us that "dog" does not work, but "dog@bowwow.com" matches what we are looking for!

We can use this special code in a program called PySpark to make a tool that helps us. The helper tool takes a line of words and numbers and breaks it into the smaller groups we want. 

Here's how we make the helper tool: First, we tell the computer what our special code is and how to use it to break the big group of words into smaller groups. Then, we make a new helper tool that uses our special code to break each line in the big group into smaller groups. Finally, we use our helper tool on the big group of words and numbers, and it gives us three smaller groups, just like we wanted. And now we can do whatever we need to do with the smaller groups, and not just have one big long group.
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