Drawing Rainbows!

single-rainbow.txt

# Color hack for fun
rainbow = (
    'cyan',
    'blue',
    'magenta',
    'pink',
    'red',
    'orange',
    'yellow',
    'green',
)
rainbow_i = 0
rainbow_i_delta = -1

# Set the color...
color = rainbow[rainbow_i]

# After setting the color...
rainbow_i_delta = (-1*rainbow_i_delta) if rainbow_i==(len(rainbow)-1) or rainbow_i==0 else rainbow_i_delta
rainbow_i = rainbow_i+rainbow_i_delta