ToolPythonIntermediate Filtering with scipy.signal: mains hum and noise out of an ECG for f_c, g in zip(f_check, 20 * np.log10(np.abs(h))):gain = 20 * np.log10(np.abs(h))print(f"{N:5d}" + "".join(f"{g:8.1f} dB" for g in 20 * np.log10(np.abs(h))))gain = 20 * np.log10(np.abs(h))f"{20 * np.log10(floor_y / floor_raw):.0f} dB")