Draw the golden rectangle using tutle
from turtle import * from math import sqrt PHI = (1+sqrt(5))/2 def draw(courbe=True): reset() speed(0) hideturtle() penup() goto(-320/2,222/2) pendown() l = 320/PHI for _ in range(2): forward(l*PHI) right(90) forward(l) right(90) right(90) for i in range(60): if courbe: circle(int(l),90) else: penup() circle(int(l),90) pendown() l /= PHI left(90) forward(PHI*l) backward(PHI*l) right(90)