This is a script to consume Azure Machine Learning Model which you build using Azure ML Studio.
So basically this is a Request-Response Service (RRS) according to Microsoft.
This was a Boosted Decision Tree Algorithm build with Census Adult Data which is available as one of the Sample DataSet in Azure ML.
You can adapt the code to suit your need as this is a guide.
For large file batch predictions, you might have to use the Batch Execution Service (BES) instead.
The sample data associated with this example can be downloaded from here
Hope this helps.
Please ask your questions in the comment box below