module
_examples
  _folder1
     _file1.py
     _file2.py
  _folder2
    _file1.py
    _file2.py

package_data  = {
            'module': ['examples/*'],
  },

from setuptools import setup, find_packages

setup(name='MySoftware',
    packages=find_packages()
}

packages=find_packages()

include_package_data=True

packages=find_packages()

include_package_data=True

recursive-include examples *

packages=find_packages(exclude=['.txt'])

ipyexperiments/*py
ipyexperiments/utils/*py

# config.py
from setuptools import setup, find_packages
[...]
setup(
    packages = find_packages(),
    [...]
)

# MANIFEST.in
graft ipyexperiments

prune tests
global-exclude *.py[co]