task 5-1
from turtle import *
import math
def move(x,y):
penup()
goto(x,y)
pendown()
def main():
x = 100*math.sqrt(2)
pensize(2)
move(-100,-100)
begin_fill()
forward(200)
left(90)
forward(200)
left(90)
forward(200)
left(90)
end_fill()
move(0,-100)
pencolor('red')
fillcolor('red')
begin_fill()
left(135)
forward(x)
left(90)
forward(x)
left(90)
forward(x)
left(90)
forward(x)
left(90)
end_fill()
main()
标签：200,实验,forward,90,100,left,fill From： https://www.cnblogs.com/heqifan666/p/17458456.html