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import subprocess
import os
if not os.path.exists(os.path.join(os.getcwd(), 'games.db')):
subprocess.run(['python', 'crt_db.py'])
from load_nav import *
menu_tree = [None, None, mm_menu]
while True:
# if next item is the previous item, remove next item and current item and load the previous item
if menu_tree[-1] == menu_tree[-3]:
menu_tree.pop(-1)
menu_tree.pop(-1)
if menu_tree[-1] == None:
# quit program
break
elif type(menu_tree[-1]) is Launcher:
menu_tree[-1].launch()
menu_tree.pop(-1)
elif type(menu_tree[-1]) is Menu:
menu_tree[-1].open(prev_menu=menu_tree[-2])
menu_tree[-1].clear()
menu_tree.append(menu_tree[-1].next_item)
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