add print util to readme

README.md

@@ -11,6 +11,7 @@ Script that creates a playlist of recommendations based on the user's top artist
   - [Presets](#presets)
   - [Tuning](#tuning)
   - [Blacklists](#blacklists)
+  - [Printing](#printing)
 - [Troubleshooting](#troubleshooting)
 
 ## Installation
@@ -147,5 +148,14 @@ To see your current blacklist entries, pass the `list` argument to the `-b` opti
 $ spotirec -b list
 ```
 
+### Printing
+You can print lists containing your available choices without having to create a playlist using the `--print` argument followed by `[artists|tracks|genres|genre-seeds]`
+```
+$ spotirec --print artists
+$ spotirec --print tracks
+$ spotirec --print genres
+$ spotirec --print genre-seeds
+```
+
 ## Troubleshooting
 If you encounter issues adding tracks to your playlist, try running the script from a terminal. This should output a status code of the request, as well as some information about the code. Should you need additional help regarding status codes, consult the table in the `Response Status Codes` section [here](https://developer.spotify.com/documentation/web-api/)