实验6

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()