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Turtle Graphics

 
 
 
 
from turtle import * color('red', 'yellow') begin_fill() while True: forward(200) left(170) if abs(pos()) < 1: break end_fill() done()
 
import turtle turtle.speed(0) turtle.bgcolor("black") turtle.pencolor("white") turtle.colormode(255) def draw_polygon(n): line_length = 50 ex_angle = 360/n for i in range(n): turtle.forward(line_length) turtle.left(ex_angle) for i in range(18, 2, -1): red = 0 green = 255 -17 * (i-3) blue = 17 * (i-3) turtle.color(0, green, blue) turtle.begin_fill() draw_polygon(i) turtle.end_fill() turtle.hideturtle() turtle.done()
 
import turtle turtle.speed(0) turtle.bgcolor("black") turtle.pencolor("white") turtle.colormode(255) turtle.tracer(3) def draw_polygon(n): line_length = 20 ex_angle = 360/n for i in range(n): turtle.forward(line_length) turtle.left(ex_angle) for i in range(54, 2, -1): red = 255 green = 255 - 5 * (i-3) blue = 0 turtle.color(red, green, blue) turtle.begin_fill() draw_polygon(i) turtle.end_fill() turtle.hideturtle() turtle.update() turtle.done()