Python的学习笔记--画图

import turtle
t = turtle.Pen()
for x in range(5):
    t.forward(100)
    t.right(145)
turtle.done()

import turtle
import time
turtle.pensize(2)
turtle.bgcolor("black")
turtle.tracer(False)
turtle.color("white")
for x in range(400):
    turtle.forward(2*x)
    turtle.left(60)
turtle.tracer(True)
turtle.done()