Pascal code checker!

[Zentrader]

The OP was not talking about a Python program to check the Pascal
program as I read it

> to make application in python
> that would send code (text) to pascal compiler...and it would return
> result and then application would show that result.

So he/she/it would want subprocess to compile the Pascal program/file
and get the resulting output.  Let's not complicate the issue since
this appears to be someone relatively new to Python.