add another python learning res

Author: eeholmes

topics-skills/04-learning.md

@@ -17,6 +17,7 @@ your data science and cloud-computing learning. Here are some ideas:
   - https://ioos.github.io/ioos_code_lab/content/intro.html
   - https://github.com/coastwatch-training/CoastWatch-Tutorials
   - https://github.com/NASAARSET
+  - https://earth-env-data-science.github.io/intro.html
 
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