1.注意标准库的两种导入与使用方式,建议大家采用<库名>.<函数名>的方式。
2.对前面的代码进行优化,用for,while,if,def实现:
- 画五角星
import turtle
turtle.color('yellow')
def my_goto(x,y):
turtle.up()
turtle.goto(x,y)
turtle.down()
def my_drwa5(r):
turtle.begin_fill()
for i in range(5):
turtle.forward(r)
turtle.left(144)
my_goto(10,10)
my_drwa5(150)
turtle.end_fill()
turtle.hideturtle()
tuertle.done() - 画同心圆
import turtle
for i in range(6):
turtle.up()
turtle.goto(0,-20*(i+1))
turtle.down()
turtle.circle(20*(i+1))
turtle.hideturtle()
turtle.done() - 画太阳花
import turtle
turtle.color('red','pink')
turtle.begin_fill()
while True:
turtle.forward(200)
turtle.right(170)
if(abs(turtle.pos()))<1:
break
turtle.end_fill()
turtle.hideturtle()
turtle.done() - 画五个五角星
import turtle
turtle.bgcolor('red')
turtle.color('yellow')
def my_goto(x,y):
turtle.up()
turtle.goto(x,y)
turtle.down()
def my_drwa5(r):
turtle.begin_fill()
for i in range(5):
turtle.forward(r)
turtle.left(144)
my_goto(-750,235)
my_drwa5(150)
turtle.end_fill()
turtle.begin_fill()
my_goto(-550,360)
my_drwa5(50)
turtle.end_fill()
turtle.begin_fill()
my_goto(-500,300)
my_drwa5(50)
turtle.end_fill()
turtle.begin_fill()
my_goto(-490,230)
my_drwa5(50)
turtle.end_fill()
turtle.begin_fill()
my_goto(-550,170)
my_drwa5(50)
turtle.end_fill()
turtle.hideturtle()
turtle.done() - 画◇花瓣的太阳花
import turtle
turtle.speed(10)turtle.fillcolor('yellow')
turtle.bgcolor('pink')
turtle.begin_fill()
for i in range(1,37):
turtle.forward(100)
turtle.right(45)
turtle.forward(100)
turtle.right(135)
turtle.forward(100)
turtle.right(45)
turtle.forward(100)
turtle.right(135)
turtle.left(10)
turtle.end_fill()
turtle.color('purple')
turtle.begin_fill()
turtle.right(90)
turtle.forward(300)
turtle.end_fill()