Merge pull request #289839 from MicrosoftDocs/repo_sync_working_branch

Confirm merge from repo_sync_working_branch to main to sync with https://github.com/MicrosoftDocs/azure-docs (branch main)

Author: PhilKang0704

articles/azure-functions/functions-reference-python.md

@@ -1104,7 +1104,7 @@ In Azure Functions, [application settings](functions-app-settings.md), such as s
 | Method | Description |
 | --- | --- |
 | **`os.environ["myAppSetting"]`** | Tries to get the application setting by key name, and raises an error when it's unsuccessful.  |
-| **`os.getenv("myAppSetting")`** | Tries to get the application setting by key name, and returns `null` when it's unsuccessful.  |
+| **`os.getenv("myAppSetting")`** | Tries to get the application setting by key name, and returns `None` when it's unsuccessful.  |
 
 Both of these ways require you to declare `import os`.
 
@@ -1131,7 +1131,7 @@ In Azure Functions, [application settings](functions-app-settings.md), such as s
 | Method | Description |
 | --- | --- |
 | **`os.environ["myAppSetting"]`** | Tries to get the application setting by key name, and raises an error when it's unsuccessful.  |
-| **`os.getenv("myAppSetting")`** | Tries to get the application setting by key name, and returns `null` when it's unsuccessful.  |
+| **`os.getenv("myAppSetting")`** | Tries to get the application setting by key name, and returns `None` when it's unsuccessful.  |
 
 Both of these ways require you to declare `import os`.