Add python example on ro_query

Author: gkorland

commands/graph.ro_query.md

@@ -14,8 +14,14 @@ Arguments: `Graph name, Query, Timeout [optional]`
 
 Returns: [Result set](/design/result_structure) for a read only query or an error if a write query was given.
 
-```sh
+{% capture shell_0 %}
 GRAPH.RO_QUERY us_government "MATCH (p:president)-[:born]->(:state {name:'Hawaii'}) RETURN p"
-```
+{% endcapture %}
+
+{% capture python_0 %}
+graph.ro_query("MATCH (p:president)-[:born]->(:state {name:'Hawaii'}) RETURN p")
+{% endcapture %}
+
+{% include code_tabs.html id="tabs_0" shell=shell_0 python=python_0 %}
 
 Query-level timeouts can be set as described in [the configuration section](/configuration#timeout).