Update README file

Author: martin-martin

working-with-the-python-operator-module/README.md

@@ -4,21 +4,14 @@ This folder contains supplementary code for the Real Python tutorial on [Working
 
 ## Setup
 
-Create and activate a virtual environment. 
-
-```bash
-$ python -m venv venv
-$ source venv/bin/activate
-```
-
-For most of the examples, you'll use the `operator`, `pickle`, 'dataclasses' and `timeit` modules.  All of these come built in to Python. No additional installation is necessary.
+For most of the examples, you'll use the `operator`, `pickle`, `dataclasses` and `timeit` modules.  All of these come built in to Python. No additional installation is necessary.
 
 ## Usage
 
-After creating and activating your virtual environment, you should be able to run each individual file normally:
+You can run each individual file with your local Python interpreter:
 
 ```bash
-(venv) $ python filename.py
+$ python filename.py
 ```
 
 You can find more information and context on the code blocks in [Working With the Python operator Module](https://realpython.com/python-operator-module/).