code: def available_drivers():
      
      global __modules
      global __available
  
      if type(__modules) is not list:
          __modules = list(__modules)
  
      if not __available:
          __available = [d.ahioDriverInfo.NAME
                         for d in __modules
                         if d.ahioDriverInfo.AVAILABLE]
  
      return __available
docs: Returns a list of available drivers names.