条件、循环、函数定义 练习

画五角星

 

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

turtle.up()
turtle.goto(-250,75)
turtle.down()

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

 

画同心圆

import turtle

for i in range(5):
    print(i)
    turtle.up()
    turtle.goto(0,-20*(i+1))
    turtle.down()
    turtle.circle(20*(i+1))
    turtle.write(10-i)

 

画太阳花

 

from turtle import *

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

 

 

画五个角星

 

import turtle

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

def mygoto(x,y):
        turtle.up()
        turtle.goto(x,y)
        turtle.down()
        turtle.begin_fill()
        for i in range(5):
            turtle.forward(100)
            turtle.right(144)
        turtle.end_fill()
               
mygoto(-250,75)
mygoto(-100,150)
mygoto(-45,50)
mygoto(-120,-30)
mygoto(-250,-95)