Project 1 - English Dictionary App & Library Book Management System

1A. ENGLISH DICTIONARY APP:

AIM : The main objective of this project is to create an English Dictionary app that returns definitions of English words.

HOW IT WORKS : 

1. It loads the dictionary from a file called "words.txt" at the beginning of the program, or creates an empty dictionary if the file doesn't exist.
2. It presents a menu to the user with options to add a new word, find the meaning of a word, update a word's meaning, or exit the program.
3. Based on the user's choice, it calls the respective functions('add_word', 'find_meaning', 'update_word') to perform the desired operation.
4. When the user chooses to exit (option 4), it saves the dictionary to the "words.txt" file and ends the program.

1B. LIBRARY BOOK MANAGEMENT SYSTEM:

AIM: The main objective of this project is to implement a Library Book Management System with the front end GUI developed using Tkinter and the backend database implemented in SQLite.

HOW IT WORKS:

1. Imported libraries: Tkinter , Sqlite3.                                                                                                                  
2. Database Setup: 
3. *The code connects to a SQLite database named 'books.db'.                                                                              *It creates a table named 'books' if it doesn't exist already. This table has columns for book details: 'id', 'title',        'author', 'year', and 'isbn'.                                                                                                                               
4. Functions: create_book(), read_books(), view_books(),  search_book(), update_book(), delete_book().                 
5. GUI Setup:  *The Tkinter window is created with the title "Library Management Application."                                                  *Labels, entry fields, buttons, and a listbox are added to the GUI                                                       
6. Main Loop: The root.mainloop() starts the Tkinter event.                                                                                                   
7. Closing the database: After the main loop exits, the database connection is closed using conn.close().