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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 show_metal(self):
 """Visualizes metal coordination."""

        grp = self.getPseudoBondGroup("Metal Coordination-%i" % self.tid, associateWith=[self.model])
        grp.lineWidth = 3
        for i, metal in enumerate(self.plcomplex.metal_complexes):
            c = grp.newPseudoBond(self.atoms[metal.metal_id], self.atoms[metal.target_id])
            c.color = self.colorbyname('magenta')

            if metal.location == 'water':
                self.water_ids.append(metal.target_id)

            if metal.location.startswith('protein'):
                self.bs_res_ids.append(metal.target_id)