tutorials.md in h3-3.7.1

- old
+ new

@@ -1,9 +1,13 @@
-# Tutorials
+# Learning Resources
 
 This page lists further learning materials and code walkthroughs for the H3 library and bindings. Contributions to this list are welcome, please feel free to open a [pull request](https://github.com/uber/h3/tree/master/docs/community/tutorials.md).
 
+## Community
+
+- [H3 Slack workspace](https://join.slack.com/t/h3-core/shared_invite/zt-g6u5r1hf-W_~uVJmfeiWtMQuBGc1NNg)
+
 ## Videos
 
 - [Introduction to H3](https://www.youtube.com/watch?v=wDuKeUkNLkQ) (June 2019)
 - [Engineering an H3-based Geospatial Data Platform at Uber](https://www.youtube.com/watch?v=aCj-YVZ0mlE)
 - [Building City Cores with H3](https://www.youtube.com/watch?v=PutOhe8HVNU)
@@ -22,7 +26,8 @@
 
 - [H3 Tutorials on Observable](https://beta.observablehq.com/collection/@nrabinowitz/h3-tutorial)
 
 ## Python
 
-- [Usage (IPython Notebook)](https://github.com/uber/h3-py/blob/master/docs/Usage.ipynb)
-- [Unified Data Layers (IPython Notebook)](https://github.com/uber/h3-py/blob/master/docs/UnifiedDataLayers.ipynb)
+- [Usage (IPython Notebook)](https://github.com/uber/h3-py-notebooks/blob/master/notebooks/usage.ipynb)
+- [Unified Data Layers (IPython Notebook)](https://github.com/uber/h3-py-notebooks/blob/master/notebooks/unified_data_layers.ipynb)
+- [H3 API examples on Urban Analytics(IPython Notebook)](https://github.com/uber/h3-py-notebooks/blob/master/notebooks/urban_analytics.ipynb)