Update README.md

README.md

@@ -5,5 +5,15 @@ The demo codes for the textbook [*Social Data Analytics in the Cloud with AI*](h
 To cite the code:  
 > Wei, Xuebin, and Xinyue Ye. 2024. Social Data Analytics in the Cloud with AI. Boca Raton: CRC Press.
 
+## Chapter 3: Introduction to Python Programming and Data Analytics
+- [A Crush Python Tutorial](https://github.com/xbwei/Social-Data-Analytics-in-the-Cloud-with-AI/tree/main/Crush-Python-Tutorial)
+- [A Simple Example of Analyzing COVID-19 Data](https://github.com/xbwei/Social-Data-Analytics-in-the-Cloud-with-AI/blob/main/COVID_19_Data_Analysis.ipynb)
 
+## Chapter 4: Data Collection and Storage
+- [Collect Census Data in Python](https://github.com/xbwei/Social-Data-Analytics-in-the-Cloud-with-AI/blob/main/Collect_Census_Data.ipynb)
+- [Collect Twitter Data](https://github.com/xbwei/Social-Data-Analytics-in-the-Cloud-with-AI/blob/main/Collect_Twitter_Data.ipynb)
+
+## Chapter 6: Data Visualization
+- [Analyze Census Data with AI](https://github.com/xbwei/Social-Data-Analytics-in-the-Cloud-with-AI/blob/main/Analyze_Census_Data.ipynb)
+- [Analyze Twitter Data](https://github.com/xbwei/Social-Data-Analytics-in-the-Cloud-with-AI/blob/main/Analyze_Twitter_Data.ipynb)