Merge pull request #11233 from harness/get_key_count()-update

Update python-admin-api.md

Author: alai97

docs/feature-management-experimentation/api/wrappers/python-admin-api.md

@@ -985,6 +985,20 @@ segDef = client.segment_definitions.find("employees", env.id, ws.id)
 print (segDef.name)
 ```
 
+`int get_key_count()`
+
+Fetches key count of current segment definition object.
+
+* Parameters: None
+* Return: integer
+
+```python
+ws = client.workspaces.find("Defaults")  
+env = client.environments.find("Production", ws.id)  
+segDef = client.segment_definitions.find("employees", env.id, ws.id)  
+print(str(segDef.get_key_count())) 
+```
+
 `Array(string) get_keys()`
 
 Fetches all keys of current segment definition object.
@@ -2524,4 +2538,4 @@ for cr in client.change_requests.list():
         cr.update_status("APPROVED", "done")
 ```
 
-For more information about rule-based segments, see the [README](https://github.com/splitio/python-api?tab=readme-ov-file#rule-based-segments).
+For more information about rule-based segments, see the [README](https://github.com/splitio/python-api?tab=readme-ov-file#rule-based-segments).