if __name__=="__main__":
    pricelist = [
        ("Ship's Rations", 20),
        ("Hemp", 50),
        ("Luxury Rations", 75),
        ("Rum", 100),
        ("Powder and Shot", 200),
        ("Canvas", 200),
        ("Molasses", 240),
        ("Silk", 250),
        ("Timber", 300),
        ("Spices", 500),
        ("Journals", 600),
        ("Maps", 900),
        ("Gold", 3000)
        ]

    def fmt_price(coppers):
        fmt = "%ds %2dc" 
        low = fmt % divmod(coppers/4, 100)
        fmt = "%2ds %2dc" 
        base = fmt % divmod(coppers, 100)
	fmt = "%3ds %2dc"  
        high = fmt % divmod(coppers * 8.5, 100)
        return low, base, high

    outf = open("pricelist.txt", "w") 
    outf.write("%16s  %6s    %6s     %6s\n" % ("Good", "low", "base","high"))

    for name, price in pricelist:
            low, base, high = fmt_price(price)
            outf.write("%16s (%6s) (%6s) (%6s)\n" % (name, low, base, high))
    
    outf.close()