1  from setuptools import Extension, setup
       2  setup(ext_modules=[
       3      Extension("custom", ["custom.c"]),
       4      Extension("custom2", ["custom2.c"]),
       5      Extension("custom3", ["custom3.c"]),
       6      Extension("custom4", ["custom4.c"]),
       7      Extension("sublist", ["sublist.c"]),
       8  ])