Name Spiral(Python Turtle)

import turtle
p = turtle.Turtle()
turtle.bgcolor("black")
c = ["red","blue","yellow","green","orange","gray","white","aqua"]
name=turtle.textinput("enter name","what is your name?")
s=int(turtle.numinput("no of sides","how many sides?(1-10)"))
for x in range(100):
    p.pencolor(c[x%s%10])
    p.penup()
    p.forward(x*4)
    p.pendown()
    p.write(name, font = ("Arial",int((x*2+4)/4), "bold"))
    p.right(360/s - 2)