Rainbow using turtle

import turtle
colors = ["red", "orange", "purple", "yellow", "blue","green"]
t = turtle.Pen()
turtle.bgcolor("black")
turtle.speed(100)

for x in range(360):
    t.pencolor(colors[x % len(colors)])
    t.width(x // 100 + 1)
    t.forward(x)
    t.left(59)