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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 _cfactory(attr, func, argtypes, restype, errcheck=None):
 # type: (Any, str, List[Any], Any, Optional[Callable]) -> None """ Factory to create a ctypes function and automatically manage errors. """


        meth = getattr(attr, func)
        meth.argtypes = argtypes
        meth.restype = restype
        if errcheck:
            meth.errcheck = errcheck