Python misc

def myFunction(prices, credit):
    for a in range(len(prices)):
        for b in range(a+1,(len(prices))):
            if(prices[a]+prices[b]==credit):
                if (prices[a]>prices[b]):
                    myT=[prices[b],prices[a]]
                    return(myT)
                else:
                    myT=(prices[a],prices[b])
                    return(myT)



prices=(10, 6, 3, 4, 5, 6, 7, 8, 9, 10)
credit=16
print(myFunction(prices,credit))