Python 3.7.3 (v3.7.3:ef4ec6ed12, Mar 25 2019, 16:52:21) 
[Clang 6.0 (clang-600.0.57)] on darwin
Type "help", "copyright", "credits" or "license()" for more information.
>>> import turtle
>>> bob = turtle.Turtle()
>>> alice = turtle.Turtle()
>>> bob.up()
>>> alice.up()
>>> bob.forward(50)
>>> alice.backward(50)
>>> bob.left(45)
>>> alice.right(30)
>>> alice.down()
>>> bob.down()
>>> alice.color("purple")
>>> bob.color("blue")
>>> alice.forward(100)
>>> bob.forward(100)
>>> for i in range(3):
	bob.left(90)
	bob.forward(100)

	
>>> for i in range(3):
	alice.right(90)
	alice.forward(100)

	
>>> alice.heading()
60.0
>>> for i in range(40):
	alice.forward(100+2*i)
	alice.right(90)

	
>>> import random
>>> for i in range(100):
	r = random.randint(5,10)
	alice.circle(r)
	bob.circle(r)
	xa = random.randint(-150,150)
	ya = random.randint(-150,150)
	xb = random.randint(-150,150)
	yb = random.randint(-150,150)
	alice.up()
	alice.goto(xa,ya)
	alice.down()
	bob.up()
	bob.goto(xb,yb)
	bob.down()

	
>>> def poly(t, n, d):
	for i in range(n):
		t.forward(d)
		t.left(360/n)
	return()

>>> poly(alice, 3, 10)
()
>>> poly(alice, 3, 100)
()
>>> poly(bob, 5, 100)
()
>>>