def newInvoice():
    house_list = db.execute("SELECT * FROM Houses")
    house_ID = []

    for house in house_list:
        print(house)
        house_ID.append(int(house[0]))

    for n in house_ID:
        print(n)

    def Current_House():
        CurrentHouse = input("Select the house to add invoice to: ")
        print(CurrentHouse)

        if int(CurrentHouse) in house_list:
            print("B")
            return CurrentHouse

        else:
            print("House not found")
            Current_House()

        if CurrentHouse == "":
            print("Enter a house")
            Current_House()

        else:
            Current_House()

    print(Current_House())