from turtle import*
width(3)
fd(200)
while abs(pos())>1:
    rt(170)
    fd(200)

from turtle import*
color('blue')
count=(0)
for x in range(1,100,2):
    up()
    goto(x*2,x*2)
    down()
    circle(x)
    count=count+1
print(count)

import turtle
import time

t = turtle.Turtle()
s = turtle.Screen()
s.bgcolor("black")
t.pencolor("green")

a = 0
b = 0

t.speed(0)
t.penup()
t.goto(0,200)
t.pendown()

while True:
    t.fd(a)
    t.rt(b)
    a+=3
    b+=1
    if b ==210:
        break
    t.hideturtle()

time.sleep(5)