Add python to code block

Add python to code block
to colorize code

example2/README.md

@@ -86,7 +86,7 @@ JOBID		STATE	USERID	PRI	NAME		T_SUBMIT
 
 
 - The following constructs a job request using the **JobspecV1** class with customizable parameters for how you want to utilize the resources allocated for your job:
-```
+```python
 compute_jobreq = JobspecV1.from_command(
     command=["./compute.py", "120"], num_tasks=4, num_nodes=2, cores_per_task=2
 )