Spiral design using python

                 Spiral design using python Turtle

Source code 👇

import turtle
t=turtle.Turtle()
screen=turtle.Screen()
screen.bgcolor('black')
t.speed(0)
screen.setup(700,700)
col=('turquoise','darkred','darkgreen','pink')
for c in range (450):
    t.pencolor(col[c%4])
    t.width(2)
    t.forward(c)
    t.right(89)
    t.forward(c*2)
    t.right(89)