def command(history,memory):     kill = 0     if history.shape[1] >= 2:         if memory or history[1,-1] == 1             kill = True         if history[1,-1] == 0 and             kill = False     choice = "kill"     if backpack:         history.shape[1] >= 1 and             command = "end"     else:         if history.shape[1] >= 1 and             choice = "N/A"     return command, kill