Example on how to add user to the group in Windows using Python

add_user_to_group.py

#
# Example on how to add user to the group in Python
#


import win32net


def add_user_to_group(domain, group, user):
	user_group_info = {
			'domainandname': '%s\\%s' % (domain, user)
			}
	try:
		win32net.NetLocalGroupAddMembers(None, group, 3, [user_group_info])
	except win32net.error as error:
		number = error.args[0]
		if number != 1378:
			print("Error Number: '%s'; Context: '%s'; Message: '%s'" % error.args)
			raise


# function usage
print(add_user_to_group('SOME_DOMAIN', 'SOME_GROUP', 'SOME_USER'))

thanks man, that really helps!