def test():
    A = ((Uged(a, (t1 + t2)) * Ugde(d, t3)) * Uegd(a, t2))
    print(evaluate_cumulant(A, positive_times=(t1, t2, t3), leading_index=a, arrays=['gg']))
def test():
    A = ((Uged(a, (t1 + t2)) * Ugde(d, t3)) * Uegd(a, t2))
    print(evaluate_cumulant(A, positive_times=(t1, t2, t3), leading_index=a, arrays=['gg']))