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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_active_services():
 """ Retrieve a list of all active system services. @see: L{get_services}, L{start_service}, L{stop_service}, L{pause_service}, L{resume_service} @rtype: list( L{win32.ServiceStatusProcessEntry} ) @return: List of service status descriptors. """

        with win32.OpenSCManager(
            dwDesiredAccess = win32.SC_MANAGER_ENUMERATE_SERVICE
        ) as hSCManager:
            return [ entry for entry in win32.EnumServicesStatusEx(hSCManager,
                        dwServiceType  = win32.SERVICE_WIN32,
                        dwServiceState = win32.SERVICE_ACTIVE) \
                    if entry.ProcessId ]