spiraling around a spiral

import rhinoscriptsyntax as rs

import math

ptLt=[]

for i in range (10):

    x=math.cos(i)

    y=math.sin(i*1)

         z=i

    ptS=rs.AddPoint([x,y,z])

    ptLt.append(ptS)

crv=rs.AddInterpCurve(ptLt)

framest=[[0,0,0],[1,0,0],[0,1,0]]

t=9

endpts=[]

for i in range (t+1):

    line=rs.AddLine([0,0,0],[math.cos(math.pi/2*i),math.sin(math.pi/2*i),0])

         p=i/t

    par=rs.CurveParameter(crv,p)

    fra=rs.CurvePerpFrame(crv,par)

    frame=[fra[1],fra[2],fra[3]]

    eva=rs.EvaluateCurve(crv,par)

    orobj=rs.OrientObject(line,framest,frame,1)

    rs.MoveObject(orobj,rs.VectorCreate([0,0,0],rs.CurveStartPoint(orobj)))

    vect=rs.VectorCreate([0,0,0],eva)

    mvobj=rs.MoveObject(orobj,eva)

    enpt=rs.CurveEndPoint(mvobj)

    endpts.append(enpt)

newcrv=rs.AddInterpCurve(endpts)