update language order

Author: jingyanjingyan

articles/zone-pivot-groups.yml

@@ -715,12 +715,12 @@ groups:
   title: Programming languages
   prompt: Choose a language
   pivots:
-  - id: programming-language-csharp
-    title: C#
-  - id: programming-language-scala
-    title: Scala
   - id: programming-language-python
     title: Python
+  - id: programming-language-scala
+    title: Scala
+  - id: programming-language-csharp
+    title: C#
 - id: aml-control-methods
   # Owner: gopalv
   title: Azure Machine Learning control plane