Python / Language / Poligon - https://www.minte9.com/python/language-loops-1250

poligon.py

"""
Make a copy of square() and change the name to polygon()
Add another parameter named n and modify the body ...
so it draws an n-sided regular polygon. 

Hint: The exterior angles of an n-sided regular polygon are 360/n degrees. 

import turtle

def square(t, length): 
    for i in range(4):
        t.fd(length)
        t.lt(90)

bob = turtle.Turtle()
square(bob, 100)
turtle.mainloop() """


# SOLUTION 

import turtle

def poligon(t, length, n): 
    for i in range(n):
        t.fd(length)
        t.lt(360/n)

bob = turtle.Turtle()
poligon(bob, 20, 10)
turtle.mainloop()