How to run a Python file in c++? -

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I am trying to run a python file from C ++, a good part of my day. I have tried: 

 . . FILE * file = fopen ("file.py", "r"); PyRun_SimpleFile (file, "file.py"); . . .

This only causes crashes of my application. I'm using Python version 3.4.

Try 

  Py_Initialize (); PyRun_SimpleFile (file, "file.py"); Py_Finalize ();

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