import turtle as t

from random import randint,choice

t.bgcolor('black')

t.color('green')

t.pensize(4)

t.speed(100)

cir = 90

for i in range(cir):

    t.circle(150)

    t.right(19)

import turtle as t

from random import randint,choice

t.bgcolor('black')

t.pensize(4)

t.speed(100)

cir = 90

for i in range(cir):

    r = randint(0,255)

    g = randint(0,255)

    b = randint(0,255)

    t.colormode(255)

    t.pencolor(r,g,b)

    t.circle(150)

    t.right(19)

import turtle as t

from random import randint,choice

t.bgcolor('black')

t.pensize(4)

t.speed(100)

cir = 360

for i in range(cir):

    r = randint(0,255)

    g = randint(0,255)

    b = randint(0,255)

    t.colormode(255)

    t.pencolor(r,g,b)

    t.circle(150)

    t.right(19)