背景颜色

import turtlepen = turtle.Turtle()
turtle.Screen().bgcolor("blue")
pen.color("cyan")
for i in range(10):for i in range(2):pen.forward(100)pen.right(60)pen.forward(100)pen.right(120)pen.right(36)turtle.done()

画圆

import turtlepen = turtle.Turtle()pen.pencolor('red')                 # 设置画笔颜色
pen.fillcolor('red')                # 设置填充颜色# pen.goto(-100, 150)                 # 移动画笔到坐标点(-100, 150)pen.begin_fill()
turtle.circle(100, 80)# pen.end_fill()
pen.hideturtle()
turtle.done()  # 结束绘画

太阳花

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

树

import turtledef y(sz, level):"""  定义Y函数，sz表示是树的尺寸， level是树的层次级别 """if level > 0:#  按照树的层次级别(level)设置树的颜色pen.pencolor(0, 255 // level, 0)pen.forward(sz)pen.right(angle)#  递归调用y函数，绘制右边子树y(0.8 * sz, level - 1)pen.pencolor(0, 255 // level, 0)pen.left(2 * angle)#  递归调用y函数，绘制左边子树y(0.8 * sz, level - 1)pen.pencolor(0, 255 // level, 0)pen.right(angle)pen.forward(-sz)# if __name__ == '__main__':
pen = turtle.Turtle()# 设置绘图速度
pen.speed('fastest')# 设置颜色模式为255，即颜色范围是0~255
turtle.colormode(255)# 设置画笔朝向
pen.right(-90)# 设置树杈角度
angle = 30# 创建尺寸为80，层次级别是7的数
y(80, 7)turtle.done()  # 结束绘画

椭圆

import turtledef draw(rad):for i in range(2):turtle.circle(rad, 90)turtle.circle(rad // 2, 90)turtle.seth(-45)
draw(150)
turtle.done()