general

csource = """#include<stdio.h>
main()
{
    printf("Hello World");
}
"""
with open("./.tempc.c",'w') as f:
  for l in csource.split("/n"):
    f.write(l)
    
import os
os.system("g++ .tempc.c -o .tempc.exe ")

import subprocess as sp
p1 = sp.Popen(["cmd", "/C", r".tempc.exe"],stdout=sp.PIPE)
print(p1.communicate()[0])

os.remove(".tempc.c")
os.remove(".tempc.exe")