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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 tcrhoc(self,ifig=None,lims=[3.,10.,8.,10.],label=None,colour=None, dashes=None):
 """ Central temperature again central density plot Parameters ifig : integer or string Figure label, if None the current figure is used The default value is None. lims : list [x_lower, x_upper, y_lower, y_upper] label : string Label for the model The default value is None colour : string The colour of the line The default value is None dashes : list, optional Custom dashing style. If None, ignore. The default is None. """


#        fsize=18
#
#        params = {'axes.labelsize':  fsize,
#            #    'font.family':       'serif',
#        'font.family':        'Times New Roman',
#        'figure.facecolor':  'white',
#        'text.fontsize':     fsize,
#        'legend.fontsize':   fsize,
#        'xtick.labelsize':   fsize*0.8,
#        'ytick.labelsize':   fsize*0.8,
#        'text.usetex':       False}
#
#        try:
#            pl.rcParams.update(params)
#        except:
#            pass

        if ifig is not None:
            pl.figure(ifig)

        if label is not None:
            if colour is not None:
                line,=pl.plot(self.get('log_center_Rho'),self.get('log_center_T'),label=label,
                        color=colour)
            else:
                line,=pl.plot(self.get('log_center_Rho'),self.get('log_center_T'),label=label)

        else:
            if colour is not None:
                line,=pl.plot(self.get('log_center_Rho'),self.get('log_center_T'),
                        color=colour)
            else:
                line,=pl.plot(self.get('log_center_Rho'),self.get('log_center_T'))
        if dashes is not None:
            line.set_dashes(dashes)
        if label is not None:
            pl.legend(loc='best').draw_frame(False)

        pl.xlim(lims[:2])
        pl.ylim(lims[2:])
        pl.xlabel('log $\\rho_{\\rm c}$')
        pl.ylabel('log $T_{\\rm c}$')