Update readme.python.md (Azure#23240)

Author: Wzb123456789

specification/appconfiguration/resource-manager/readme.python.md

@@ -16,9 +16,10 @@ Generate all API versions currently shipped for this package
 
 ```yaml $(python)
 clear-output-folder: true
-default-api-version: "2022-05-01"
+default-api-version: "2023-03-01"
 multiapi: true
 batch:
+  - tag: package-2023-03-01
   - tag: package-2022-05-01
   - tag: package-2022-03-01-preview
   - multiapiscript: true
@@ -29,6 +30,16 @@ output-folder: $(python-sdks-folder)/appconfiguration/azure-mgmt-appconfiguratio
 perform-load: false
 ```
 
+### Tag: package-2023-03-01 and python
+
+These settings apply only when `--tag=package-2023-03-01 --python` is specified on the command line.
+Please also specify `--python-sdks-folder=<path to the root directory of your azure-sdk-for-python clone>`.
+
+``` yaml $(tag) == 'package-2023-03-01' && $(python)
+namespace: azure.mgmt.appconfiguration.v2023_03_01
+output-folder: $(python-sdks-folder)/appconfiguration/azure-mgmt-appconfiguration/azure/mgmt/appconfiguration/v2023_03_01
+```
+
 ### Tag: package-2022-05-01 and python
 
 These settings apply only when `--tag=package-2022-05-01 --python` is specified on the command line.