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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 loadfile(method=True, writable=False, create=False):
 """A decorator for functions taking a `filething` as a first argument. Passes a FileThing instance as the first argument to the wrapped function. Args: method (bool):
 If the wrapped functions is a method writable (bool):
 If a filename is passed opens the file readwrite, if passed a file object verifies that it is writable. create (bool):
 If passed a filename that does not exist will create a new empty file. """


    def convert_file_args(args, kwargs):
        filething = args[0] if args else None
        filename = kwargs.pop("filename", None)
        fileobj = kwargs.pop("fileobj", None)
        return filething, filename, fileobj, args[1:], kwargs

    def wrap(func):

        @wraps(func)
        def wrapper(self, *args, **kwargs):
            filething, filename, fileobj, args, kwargs = \
                convert_file_args(args, kwargs)
            with _openfile(self, filething, filename, fileobj,
                           writable, create) as h:
                return func(self, h, *args, **kwargs)

        @wraps(func)
        def wrapper_func(*args, **kwargs):
            filething, filename, fileobj, args, kwargs = \
                convert_file_args(args, kwargs)
            with _openfile(None, filething, filename, fileobj,
                           writable, create) as h:
                return func(h, *args, **kwargs)

        return wrapper if method else wrapper_func

    return wrap