turtle 库练习

#同切圆
import turtle
turtle.circle(10)

turtle.circle(20)
turtle.circle(30)
turtle.circle(40)
turtle.circle(50)
turtle.circle(60)
turtle.circle(70)
turtle.circle(80)

import turtle
#同心圆
turtle.circle(10)
turtle.penup()
turtle.goto(0,-10)
turtle.pendown()
turtle.circle(20)
turtle.penup()
turtle.goto(0,-20)
turtle.pendown()
turtle.circle(30)
turtle.penup()
turtle.goto(0,-30)
turtle.pendown()
turtle.circle(40)
turtle.penup()
turtle.goto(0,-40)
turtle.pendown()
turtle.circle(50)
turtle.penup()
turtle.goto(0,-50)
turtle.pendown()
turtle.circle(60)
turtle.penup()
turtle.goto(0,-60)
turtle.pendown()
turtle.circle(70)
turtle.penup()
turtle.goto(0,-70)
turtle.pendown()
turtle.circle(80)

import turtle
#五角星
turtle.forward(100)
turtle.right(144)
turtle.forward(100)
turtle.right(144)
turtle.forward(100)
turtle.right(144)
turtle.forward(100)
turtle.right(144)
turtle.forward(100)

#黄色五角星
import turtle
turtle.color(‘yellow‘)
turtle.bgcolor(‘red‘)

turtle.begin_fill()
turtle.forward(100)
turtle.right(144)
turtle.forward(100)
turtle.right(144)
turtle.forward(100)
turtle.right(144)
turtle.forward(100)
turtle.right(144)
turtle.forward(100)
turtle.end_fill()

#国旗
import turtle
turtle.color(‘yellow‘)
turtle.bgcolor(‘red‘)

#大五角星
turtle.penup()
turtle.goto(-350,210)
turtle.penup()
turtle.begin_fill()
turtle.forward(100)
turtle.right(144)
turtle.forward(100)
turtle.right(144)
turtle.forward(100)
turtle.right(144)
turtle.forward(100)
turtle.right(144)
turtle.forward(100)
turtle.end_fill()

#四个小五角星
turtle.begin_fill()
turtle.penup()
turtle.goto(-180,270)
turtle.pendown()
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.end_fill()

turtle.begin_fill()
turtle.penup()
turtle.goto(-100,245)
turtle.pendown()
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.end_fill()

turtle.begin_fill()
turtle.penup()
turtle.goto(-110,95)
turtle.pendown()
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.end_fill()

turtle.begin_fill()
turtle.penup()
turtle.goto(-170,50)
turtle.pendown()
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.end_fill()