def freq_resp(self, mode= '<STR_LIT>', fs = <NUM_LIT>, ylim = [-<NUM_LIT:100>,<NUM_LIT:2>]):
iir_d.freqz_resp_cas_list([self.sos],mode,fs=fs)<EOL>pylab.grid()<EOL>pylab.ylim(ylim)<EOL>
Frequency response plot