Library Management in python

library.py

class Library:
    def __init__(self, listOfBooks):
        self.books = listOfBooks

    def showAllBooks(self):
        print("\n")
        for book in self.books:
            print(book)
        print("\n")

    def lendBook(self, bookName):
        if bookName in self.books:
            self.books.remove(bookName)
            print("You have successfully lent the book : ", bookName)
            print("\n")
        else:
            print(f"Sorry, book named {bookName} Not Found!")

    def addBook(self, bookName):
        self.books.append(bookName)
        print("Successfully returned the book : ", bookName)
        print("\n")


class Customer:
    def borrowBook(self):
        borrowBook = str(input("Enter the Book name you would like to borrow : "))
        return borrowBook

    def returnBook(self):
        returnBook = str(input("Enter the Book name you would like to return : "))
        return returnBook


Books = ['Never again', 'Robinhood', 'Secret life']

library = Library(Books)
customer = Customer()

while 1:
    print("Enter 1 to Display all Books")
    print("Enter 2 to Borrow a Book")
    print("Enter 3 to return a Book")
    print("Enter 4 to Quit")
    
    choice = int(input())
    
    if choice is 1:
        library.showAllBooks()
    elif choice is 2:
        book = customer.borrowBook()
        library.lendBook(book)
    elif choice is 3:
        book = customer.returnBook()
        library.addBook(book)
    elif choice is 4:
        quit()