def selnorm(fL, mL):
    for i in range(len(mL)):
        if not fL[i]:
            mL[i] = 0.0
    total = sum(mL)
    for i in range(len(mL)):
        if mL[i] != 0.0:
            mL[i] = round(mL[i]/total, 2)