-This script contain some python xml request making for calling webmethods on sample payment verification.
-(for this example sep.shaparak.ir )
-refNum: is your transaction`s digital signature, which you would get at the end of successfull payment.
-your ID: for account on shaparak should replace in the middle of xml string
-data: is transaction status returned by webmethod. if its successfull you can deliver your product to customer.