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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 Flavio_to_Fierz_chrom(C, qq, parameters):
 """From Flavio to chromomagnetic Fierz basis for Class V. qq should be of the form 'sb', 'db' etc."""

    p = parameters
    V = ckmutil.ckm.ckm_tree(p["Vus"], p["Vub"], p["Vcb"], p["delta"])
    if qq == 'sb':
        xi = V[2, 2] * V[2, 1].conj()
    elif qq == 'db':
        xi = V[2, 2] * V[2, 0].conj()
    elif qq == 'ds':
        xi = V[2, 1] * V[2, 0].conj()
    elif qq == 'uc':
        xi = V[1, 2].conj() * V[0, 2]
    else:
        raise ValueError("Unexpected flavours: {}".format(qq))
    qqfl = qq[::-1]
    e = sqrt(4 * pi * parameters['alpha_e'])
    gs = sqrt(4 * pi * parameters['alpha_s'])
    if qq == 'sb' or qq == 'db':
        mq = parameters['m_b']
    elif qq == 'ds':
        mq = parameters['m_s']
    elif qq == 'uc':
        mq = parameters['m_c']
    else:
        KeyError("Not sure what to do with quark mass for flavour {}".format(qq))
    dic = {
        'F7gamma' + qq: C["C7_" + qqfl] / ((16 * pi**2) / e / mq),
        'F8g' + qq: C["C8_" + qqfl] / ((16 * pi**2) / gs / mq),
        'F7pgamma' + qq: C["C7p_" + qqfl] / ((16 * pi**2) / e / mq),
        'F8pg' + qq: C["C8p_" + qqfl] / ((16 * pi**2) / gs / mq)
            }
    prefactor = sqrt(2)/p['GF']/xi/4
    return {k: v / prefactor for k, v in dic.items()}