def CancelOrders():
    while True:
        orderID = input("Please enter your order ID (You will need to pay 20% of the total price): ")
        with open('Temp.txt') as f:
            if orderID in f.read():
                print("You have paid")
                f.seek(0)
                total = 0
                for line in f:
                    if orderID in line:
                        total_price = line[48:60]
                        total = total_price
                total = float(total)
                total = total*0.2
                total = (round(total, 2))
                finaltotal = total
                print("Your total is: "+str(finaltotal))
                lines = f.readlines()
                f = open("Temp.txt","w+")
                for line in lines:
                    if line[0:12].lower().strip() != orderID.lower().strip():
                        f.write(line)
                f.close()
                break
            else:
                print("OrderID does not exist.")
                Menu()