def Scatter(myTurtle, distance, home):
    ang=myTurtle.towards(home)
    myTurtle.rt(ang+180)
    myTurtle.pendown()
    myTurtle.fd(distance)

import turtle
import random

turtle.screensize(600,600)
turtle.setworldcoordinates(0,0,600,600)
numTurtles = 20
turtles = []
myTurtlePos= [x for x in range (550)]
myTurtleColor= ['red', 'blue', 'green', 'yellow', 'orange', 'purple']
distance=20
home=(300,300)


for x in range(numTurtles):
    turtles.append(turtle.Turtle())
    for numTurtles in turtles():
        turtle.shape("turtle")
        turtle.speed(2)
        turtle.color(random.choice(billyColor))
        turtle.penup()
        turtle.setpos((random.choice(billyPos)),(random.choice(billyPos)))
    for count in range(100):
        for myTurtle in turtles:
            Scatter(myTurtle, distance, home)