with open("books.txt") as b:
    books = b.readlines()[7:]

books = [x.strip() for x in books]
books = [x.split(",") for x in books]


def welcome():
    print("Welcome to the Bookstore")
    global name
    name = input("What is your name? ")
    print("Our current list of books are: ")
    inventory()

def choice():
    select = input("Which books would you like? (ID):\n")
    global chosen
    chosen = []
    flag = "y"

    while flag == "y":
        chosen.append(select)

        flag = input("Would you like to add more books to your cart? (y/n): ")
    print(chosen)

    for chosen in books:
        books.index(chosen[0])


def inventory():
    length = len(books)
    for i in range(length):
        print(books[i][0], books[i][1].strip(), ("$" + books[i][2]).replace(" ", ""))
    choice()

def receipt():
    print("Thank you", name)


welcome()