def METHOD_NAME(x, num_peaks=4):
    peak_indxs = []
    peak_vals = []
    x_t = x.copy()
    m = min(x_t)
    for indx in range(num_peaks):
        loc = argmax(x_t)
        print(x_t[loc], x[loc], loc)
        peak_vals.append(x_t[loc])
        peak_indxs.append(loc)
        x_t[loc] = m
    return peak_vals, peak_indxs