Update users_comments.md

AtsushiSakai · web-flow · commit ad4ede4380a9 · 2019-05-01T08:47:13.000+09:00
diff --git a/users_comments.md b/users_comments.md
@@ -196,6 +196,12 @@ Dear AtsushiSakai, <br>Thank you for this great resource! I very much appreciate
 
 --Mridul Aanjaneya
 
+---
+
+Thank you for the python robotics sample code and visualizations!! This is my new favorite thing on the internet.
+
+--selamg@mit.edu
+
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 # Citations
