条件、循环、函数定义 练习

import turtle
turtle.begin_fill()
for i in range(5):
    turtle.forward(100)
    turtle.right(144)
turtle.end_fill()

import turtle
for i in range(5):
    turtle.up()
    turtle.goto(0,-20*(i+1))
    turtle.down()
    turtle.circle(20*(i+1))

from turtle import *

color(‘red‘,‘blue‘)
begin_fill()
while True:
    forward(200)
    left(170)
    if (abs(pos()))<1:
       break
end_fill()
done()

import turtle
turtle.setup(600,400,0,0)
turtle.color("yellow")
turtle.bgcolor("red")
turtle.fillcolor("yellow")

def xls_goto(x,y):
    turtle.up()
    turtle.goto(x,y)
    turtle.down()

def xls_draw5(r):
    turtle.begin_fill()
    for i in range(5):
        turtle.forward(r)
        turtle.right(144)
    turtle.end_fill()

xls_goto(-300,150)
xls_draw5(100)

xls_goto(-200,230)
xls_draw5(50)

xls_goto(-150,170)
xls_draw5(50)

xls_goto(-150,100)
xls_draw5(50)

xls_goto(-200,50)
xls_draw5(50)
done()

import turtle

def draw_diamond(brad):
    brad.forward(100)
    brad.right(45)
    brad.forward(100)
    brad.right(135)

def draw_art():

    window=turtle.Screen()
    window.bgcolor("blue")

    brad=turtle.Turtle()
    brad.shape("turtle")
    brad.color("orange")
    brad.speed("fastest")

    for i in range(0,36):
        draw_diamond(brad)
        draw_diamond(brad)
        brad.left(10)


    brad.right(90)
    brad.forward(300)

    window.exitonclick()

draw_art()