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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 is_symmetric(self, symprec=0.1):
 """ Checks if slab is symmetric, i.e., contains inversion symmetry. Args: symprec (float):
 Symmetry precision used for SpaceGroup analyzer. Returns: (bool) Whether slab contains inversion symmetry. """


        sg = SpacegroupAnalyzer(self, symprec=symprec)
        return sg.is_laue()