desired
    frequency response with the actual frequency response:
    &gt;&gt;&gt; f = [0, .6, .6, 1]         # Frequency breakpoints
    &gt;&gt;&gt; m = [1, 1, 0, 0]           # Magnitude breakpoints
    &gt;&gt;&gt; [b, a] = yulewalk(8, f, m) # Filter design using least-squares method

    &#34;&#34;&#34;
    F = np.asarray(F)
    M = np.asarray(M)
    npt = 512
    lap = np.fix(npt / 25).astype(int)
    mf = F.size
    npt = npt + 1  # For [dc 1 2 ... nyquist].
    Ht = np.array(np.zeros((1, npt)))
   