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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 apply_defaults(self, flags):
 """Applies the defaults for the configured guest OS type. This is primarily for getting sane settings straight after creating a new VM, but it can also be applied later. This is primarily a shortcut, centralizing the tedious job of getting the recommended settings and translating them into settings updates. The settings are made at the end of the call, but not saved. in flags of type str Additional flags, to be defined later. raises :class:`OleErrorNotimpl` This method is not implemented yet. """

        if not isinstance(flags, basestring):
            raise TypeError("flags can only be an instance of type basestring")
        self._call("applyDefaults",
                     in_p=[flags])