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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 plot_entities(self, show=False):
 """ Plot discrete version of entities without regards for connectivity. Parameters show : bool If False will not execute matplotlib.pyplot.show """

        import matplotlib.pyplot as plt
        from mpl_toolkits.mplot3d import Axes3D  # NOQA
        fig = plt.figure()
        axis = fig.add_subplot(111, projection='3d')
        for entity in self.entities:
            vertices = entity.discrete(self.vertices)
            axis.plot(*vertices.T)
        if show:
            plt.show()