from random import *
from turtle import *
t=pen()
title("Правильний багатоутник")  
setup(400,400)
reset() 
pensize(2)      
bgcolor("green")
color("yellow", "yellow")        
n=7
d=50
begin_fill()
angle=360/n
for p in range(0,n):
   forward(d)
   right(angle)
end_fill()
exitonclick()