条件循环函数定义练习

Posted 袁颖琳

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1)画五角星   

import turtle
turtle.color(\'yellow\')
turtle.fillcolor(\'yellow\')
turtle.begin_fill()

for i in range(5):
turtle.forward(80)
turtle.left(144)

turtle.end_fill()

 

2)画同心圆

import turtle
for i in range(4):
turtle.circle((i+1)*10)
turtle.up()
turtle.goto(0,-(i+1)*10)
turtle.down()

 

3)画太阳花

import turtle
turtle.fillcolor("blue")
turtle.begin_fill()

while True:
turtle.forward(200)
turtle.left(135)
if(abs(turtle.pos()))<1:
break

turtle.end_fill()

 

4)画五个角星

 

import turtle
turtle.bgcolor(\'red\')
turtle.color(\'yellow\')
turtle.fillcolor(\'yellow\')

def mygoto(x,y):
turtle.up()
turtle.goto(x,y)
turtle.down()
mygoto(-250,75)


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

mygoto(-130,150)

turtle.begin_fill()
for i in range(5):
turtle.forward(30)
turtle.left(144)
turtle.end_fill()

mygoto(-70,110)

turtle.begin_fill()
for i in range(5):
turtle.forward(30)
turtle.left(144)
turtle.end_fill()

mygoto(-75,35)

turtle.begin_fill()
for i in range(5):
turtle.forward(30)
turtle.left(144)
turtle.end_fill()

mygoto(-130,-25)

turtle.begin_fill()
for i in range(5):
turtle.forward(30)
turtle.left(144)
turtle.end_fill()

 

 

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