Generating a rainbow?

[Neil Hodgson]

Me:
>    You should use different variables for the two loops.

   Actually it is closing the divs that makes it work in FireFox:

import colorsys

sat = 1
value = 1
length = 1000
for h in range(0, length + 1):
        hue = h / float(length)
        color = list(colorsys.hsv_to_rgb(hue, sat, value))
        for x in range(3):
                color[x] = int(color[x] * 255)
        hexval = ("#%02x%02x%02x" % tuple(color)).upper()
        print(
        "<div style='height: 1; width: 500; background-color: %s'>"
        "</div>" % hexval)