raise SystemExit("received QUIT command")
elif "MAKE_WORLD" == tokens[0] and 2 == len(tokens):
print("I would generate a new world now, if only I knew how.")
raise SystemExit("received QUIT command")
elif "MAKE_WORLD" == tokens[0] and 2 == len(tokens):
print("I would generate a new world now, if only I knew how.")