python turtle 八角形的制作 在python中turtle绘制正七边形

Python\u753b\u516b\u89d2\u661f\u7684\u7a0b\u5e8f

\u591a\u8fb9\u5f62\u7684\u753b\u6cd5
def ployon(num, distance):
# bob.color('blue', 'red')
bob.color("red", "yellow")
for i in range(num):
bob.fd(distance)
bob.lt(360 / num)
time.sleep(1)
bob.end_fill()
bob.filling()
time.sleep(3)
bob.reset()


# ployon(3, 100)
# ployon(4, 100)
# ployon(5, 100)
# ployon(6, 100)
# ployon(7, 100)
# ployon(8, 100)


# # \u4e94\u89d2\u661f\u7684\u753b\u6cd5
# bob.color("red", "yellow")
# for i in range(5):
# bob.fd(200)
# bob.right(180 - 36)
# time.sleep(0.5)
# bob.end_fill()
#
# bob.reset()
#
# # \u516b\u89d2\u661f
# bob.color("red", "yellow")
# for i in range(8):
# bob.fd(200)
# bob.right(180 - 45)
# time.sleep(0.5)
# time.sleep(10)
#
# bob.reset()


# \u516d\u89d2\u661f
# bob.color("red", "yellow")
# for i in range(3):
# bob.fd(200)
# bob.right(180 - 60)
# time.sleep(0.5)
#
# bob.up()
# bob.lt(30)
# bob.fd(200 / math.sqrt(3))
# bob.rt(90)
# bob.down()
#
# for i in range(3):
# bob.fd(200)
# bob.right(180 - 60)
# time.sleep(0.5)
# time.sleep(2)
#
# bob.reset()




# \u8ff7\u5bab\u7684\u753b\u6cd5
def squareSpiral(ra):
bob.pencolor("green")
for x in range(100):
bob.forward(x)
bob.left(ra)
time.sleep(3)
bob.reset()




def circleSpiral(ra):
bob.pencolor("green")
for x in range(100):
bob.circle(x)
bob.left(ra)
time.sleep(3)
bob.reset()


# \u8ff7\u5bab
# squareSpiral(90)
# # \u5927\u98ce\u8f66
# squareSpiral(91)
# # \u6f29\u6da1
# circleSpiral(90)


# \u82b1\u6735
# circleSpiral(60)


def circleSpiral2(ra):
bob.pencolor("green")
a = 0;
n = 360 / ra
while(a + 1 <= n):
bob.circle(50)
bob.left(ra)
a = a + 1
time.sleep(3)
bob.reset()
\u9605\u8bfb\u5168\u6587

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from turtle import *

fillcolor('pink')
begin_fill()
for i in range(8):
    forward(100)
    right(45)
end_fill()

exitonclick()

假设每一条边长长为100

画八边形需要在前进100后向右转45度，重复（也就是循环）8次即可

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