Python Program to Create Library Management System Assignment Solution.

'''

    This file contains the main function and is the driver for the program

'''

from book import *

from library import *

def main():

    # First of all, create the library

    library = Library()

    # Now, read the data file

    with open('library_data.txt', 'r') as file:

        # Read lines

        lines = file.readlines()

        # Loop through lines

        for line in lines:

            # Split line

            data = line.split(',')

            title = data[0].strip()

            author = data[1].strip()

            # Add to the library

            library.add_book(title, author)

        file.close()

        # At this point, all lines from data file have been parsed and all books

        # have been added to the library, so now print the library

        print("The current contents of the library are:")

        print(library)

        # Now, begin interacting with the user until s/he enters 'q'

        print("Enter new books to add to the library.")

        running = True

        while running:

            title = input("Title ('q' to quit): ")

            if title.lower() == 'q': # user entered 'q', so quit

                running = False

            else:

                # ask for author

                author = input("Author: ")

                # Add to library

                library.add_book(title, author)

        # When we reach this line, is because the while-loop was exited, so now we display the new content

        # of the library

        print("Now the contents of the library are:")

        print(library)

        # Now save data to file

        with open('library_data.txt', 'w') as output_file:

            for book in library.get_book_list():

                output_file.write(book.title + ", " + book.author + "\n")

if __name__ == '__main__':

    main()

BOOK