import turtle
from math import sin, cos, pi

r = 200
inc = 2*pi/100
t = 0
n = 1.5

for i in range (100):
    x1 = r * sin(t)
    y1 = r * cos(t)
    x2 = r * sin(t+n)
    y2 = r * cos(t+n)
    turtle.penup()
    turtle.goto(x1, y1)
    turtle.pendown()
    turtle.goto(x2, y2)
    t += inc
