from turtle import *

def dreieck():
    for index in range(3):
        forward(100)
        left(120)

def triangolo(a):
    for index in range(3):
        forward(a)
        left(120)

def vieleck(a, n):
    for index in range(n):
        forward(a)
        left(360/n)

dreieck()

triangolo(123)
triangolo(200)

vieleck(77, 5)
vieleck(27, 11)

exitonclick()