Update README.md

changed domain

Author: saeiddrv

README.md

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     <img height="300" src="https://python.coderz.club/_images/python-3-11.png">
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-This is an open-source and online book that provides a comprehensive tutorial on the Python programming language in Persian. The book is available at [python.coderz.club](https://python.coderz.club/) and covers a wide range of topics, including:
+This is an open-source and online book that provides a comprehensive tutorial on the Python programming language in Persian. The book is available at [PythonPersian.com](https://pythonpersian.com/) and covers a wide range of topics, including:
 
 - Introduction
 - Setup and starting a new project
@@ -33,7 +33,7 @@ This book is designed for Persian-speaking learners without prior experience wit
 
 To get started with this book, you can:
 
-- Simply visit [python.coderz.club](https://python.coderz.club/) and start reading. 
+- Simply visit [PythonPersian.com](https://pythonpersian.com/) and start reading. 
 
 - Download the source code from GitHub and run it on your local machine: