'''
Mission 7 -- Billboard
Final -- with added code
This is a sample solution. The function names can be anything descriptive,
the the button for the kill switch can be anything other than L or R.
'''
from codex import *

my_list = ["Ahoy", GREEN, pics.HAPPY, "Happy", pics.SAD, RED, pics.SURPRISED, 
          (77, 158, 100), pics.ASLEEP, BLUE, "Smile!", pics.HEART, (203, 182, 6), 
          pics.TIARA, pics.TSHIRT
          ]
choice = 0
LAST_INDEX = len(my_list) - 1

# ==== Functions
def display_item():
    my_image = my_list[choice]

    if type(my_image) == tuple:
        display.fill(my_image)
    else:
        display.show(my_image)

def change_choice():
    global choice
    if buttons.was_pressed(BTN_R):
        choice = choice + 1
        if choice > LAST_INDEX:
            choice = 0

    if buttons.was_pressed(BTN_L):
        choice = choice - 1
        if choice < 0:
            choice = LAST_INDEX

# ==== Main Program
while True:
    display_item()
    change_choice()

    if buttons.was_pressed(BTN_A):
        break

# --- end
display.fill(BLACK)