pari(nextprime,10)$
if (Pid == 0) {
Pid=ox_launch(0,getenv("OpenXM_HOME")+"/src/ox_python/ox_python")$
}else{}$
ox_execute_string(Pid,"print('Hello')\n")$ // It is executed by PyRun_SimpleString()
ox_execute_string(Pid,"import numpy as np; A=np.array([[1,2],[3,4],[4,6]]); print(np.linalg.matrix_rank(A))\n")$
ox_cmo_rpc(Pid,"PyRun_String","str(np.linalg.matrix_rank(A))")$
//ox_cmo_rpc(Pid,"PyRun_String","import numpy as np; A=np.array([[1,2],[3,4],[4,6]]); print(np.linalg.matrix_rank(A))")$
printf("result = %a\n",ox_pop_cmo(Pid))$
sleep(10^10)$
end$