add requirements.txt

Author: rambasnet

README.md

@@ -75,7 +75,7 @@ In order to learn coding, it's very important to actually type code on your own
 ### Online services
 
 You can launch an interactive session of this project using online Binder service:
-[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/rambasnet/thinkpythonnotebooks/master) or Google Colab. Each chapter, where applicable, provides [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com) to simply click and run the notebook in Google's Colab environment.
+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/rambasnet/Python-Fundamentals/main) or Google Colab. Each chapter, where applicable, provides [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com) to simply click and run the notebook in Google's Colab environment.
 
 ### On a local system
 

requirements.txt

@@ -0,0 +1 @@
+jupyter