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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 create_crop(self, name, x, x2, y, y2):
 """ Create a crop for this asset. """

        if self._can_crop():
            spec = get_image_cropper().create_crop(name, self.file, x=x,
                                                   x2=x2, y=y, y2=y2)
            ImageDetail.save_crop_spec(self, spec)