import turtle #sets up the turtle graphic
t=turtle.Pen()
turtle.bgcolor("black")
colors= ["red", "black", "red", "black"]
family= [] #set up a list of family names

#ask the user for there name
name=turtle.textinput ("My family","Enter a name, or just hit [ENTER] to end:")
#Keep asking
while name !="":
    family.append(name)
    name=turtle.textinput("My family", "Enter a name, or just hit [Enter] to end:")
for x in range (100):
    t.pencolor(colors[x%len(family)]) #Rotate through the colors
    t.penup()
    t.forward(x*4)
    t.write(family[x%len(family)], font=("Arial",int((x+4)/4),"bold"))
    t.left(360/len(family)+2)