From script to package

One common way to begin writing a package is to start with code you have already written as a script. At the time you first write this code, you may not realize how useful it might be in other places.

If you did the prerequisite course, in one exercise you wrote a script to count the number of times cats were mentioned in the book Alice in Wonderland.

In this exercise, you'll copy from that script to make a generalized function you can use on any text file for any words. This will be the first function in a new library.

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