from turtle import *

setup(500,500)

screensize(400,400)

pu()

speed(10)

goto(5,-15)

write((0,0))? ? ? # 輸出原點(diǎn)坐標(biāo)

# 標(biāo)注4個(gè)象限的名稱：

goto(150,150)

write('第1象限')

goto(150,-150)

write('第4象限')

goto(-150,-150)

write('第3象限')

goto(-150,150)

write('第2象限')

# 繪制X坐標(biāo)軸：

goto(-180,0)

pd()

goto(180,0)? ? # 繪制X軸線條

stamp()

pu()

goto(170,5)

write('X軸')

pu()

# 繪制Y坐標(biāo)軸：

goto(0,-150)

pd()

goto(0,150)? ? # 繪制Y軸線條

left(90)

stamp()

pu()

goto(5,140)

write('Y軸')

begin_fill()

color('red')

fillcolor('yellow')

goto(-50,50)

pd()

circle(50)

end_fill()

pu()

color('green')

fillcolor('blue')

begin_fill()

goto(-50,0)

pd()

goto(-50,-100)

left(60)

pd()

fd(100)

goto(-50,0)

end_fill()

pu()

goto(50,0)

pd()

begin_fill()

color('black')

fillcolor('gray')

goto(50,-100)

goto(150,-100)

goto(150,0)

goto(50,0)

end_fill()

pu()