几个好玩有趣的Python入门实例

from turtle import *
color('red', 'yellow')
begin_fill()
while True:
    forward(200)
    left(170)
    if abs(pos()) < 1:
        break
end_fill()
done()

import turtle as t

# size传入最大的圆的半径
def draw_Star(size):
    t.setup(1200, 1000)
    t.speed(11)
    t.pensize(2)
    t.pencolor('grey')
    for r, pen_size in [(size//7, 3), (size*6//7, 4), (size, 4)]:
        t.penup()
        t.goto(0, -r)
        t.pendown()
        t.pensize(pen_size)
        t.circle(r)
        t.penup()
        t.goto(0, 0)
    r = size * 5.5 // 7
    for i in range(6):
        t.pendown()
        t.pensize(3)
        t.seth(i * 60 + 30)
        t.fd(r)
        t.goto(0, 0)
    t.goto(0, r)
    t.seth(-150)
    t.pensize(5)
    for i in range(6):
        t.fd(r)
        t.left(60)
    r = r - size // 50
    t.goto(0, r)
    t.pensize(10)
    t.seth(-120)
    t.pencolor('orange')
    for i in range(3):
        t.fd(r * (3**0.5))
        t.left(120)
    t.penup()
    t.goto(0, 0)
    t.seth(30)
    t.fd(r)
    t.seth(-180)
    t.pendown()
    for i in range(3):
        t.fd(r * (3 ** 0.5))
        t.left(120)
    t.hideturtle()
    t.done()

draw_Star(400)