Update the README file

Author: bzaczynski

narwhals-python/README.md

@@ -1,18 +1,14 @@
-This file contains the downloadable code from the RealPython tutorial: \[Writing DataFrame Agnostic Python Code With Narwhals](https://realpython.com/dataframe-agnostic-code-with-narwhals-python/)
+# Writing DataFrame-Agnostic Python Code With Narwhals
 
+This folder contains the downloadable code from the Real Python tutorial: [Writing DataFrame-Agnostic Python Code With Narwhals](https://realpython.com/python-narwhals/).
 
-
-authors.parquet		- File of data for main sections of the tutorial.
-
-books.parquet           - File of data for the self study section of the tutorial.
-
-presidents.parquet      - File of data for the self study section of the tutorial.
-
-
-
-exercise\_solution.py    - File containing a possible solution to the self study exercise.
-
-universal\_processing.py - File containing functions used in the main sections of the tutorial.
+| File                      	| Description                                         	|
+|---------------------------	|-----------------------------------------------------	|
+| `authors.parquet`         	| Data for main sections of the tutorial              	|
+| `books.parquet`           	| Data for the self study section of the tutorial     	|
+| `presidents.parquet`      	| Data for the self study section of the tutorial     	|
+| `exercise_solution.py`    	| A possible solution to the self study exercise      	|
+| `universal_processing.py` 	| Functions used in the main sections of the tutorial 	|