>>> nse.get_index_list() ['NIFTY 50 Pre Open', 'NIFTY 50', 'NIFTY NEXT 50', 'NIFTY100 LIQ 15', 'NIFTY BANK', 'INDIA VIX', 'NIFTY 100', 'NIFTY 500', 'NIFTY MIDCAP 100', 'NIFTY MIDCAP 50', 'NIFTY INFRA',