def get_investable_coin_map(market_codes=[], market_names=[]):
    investable_coins_map = {}
    i = 0
    for code in market_codes:
        coin = pyupbit.get_investable_coins(code, market_names[i])
        if (coin is not None):
            investable_coins_map.update(coin)
        time.sleep(0.3)
        i = (i + 1)
    return investable_coins_map
def get_investable_coin_map(market_codes=[], market_names=[]):
    investable_coins_map = {}
    i = 0
    for code in market_codes:
        coin = pyupbit.get_investable_coins(code, market_names[i])
        if (coin is not None):
            investable_coins_map.update(coin)
        time.sleep(0.3)
        i = (i + 1)
    return investable_coins_map