def parameters(string, p,q,n,tn,e,d=None):
    print("-------"+string+"----------")
    print("p: " + str(p))
    print("q: " + str(q))
    print("n: " + str(n))
    print("tn: " + str(tn))
    print("e: " + str(e))
    if(d != None):
        print("d: " + str(d))