def METHOD_NAME(particle):
    '''Returns status 1 e and mu among the particle daughters'''
    leptons = []
    for i in range( particle.numberOfDaughters() ):
        dau = particle.daughter(i)
        if dau.status() == 1:
            if abs(dau.pdgId())==11 or abs(dau.pdgId())==13:
                leptons.append( dau )
            else:
                continue
        else:
            leptons = METHOD_NAME( dau, leptons )
    return leptons