LMS.py

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

    def displayBooks(self):
        print("The available books in the library are: ")
        for book in self.books:
            print(" *" + book)
        
    def borrowBooks(self, bookName):
        if bookName in self.books:
            print(f"You have borrowed the {bookName}. Please keep it safe...")
            self.books.remove(bookName)
            return True
        else:
            print(f"Sorry! {bookName} book is either not available or already been issued to someone else...")
            return False

    def returnBook(self, bookName):
        self.books.append(bookName)
        print("Thanks for returning it. Hope you enjoy reading it")

    def addBook(self, bookName):
        self.books.append(bookName)
        print("Thanks for donating the book to the library!!")


class student:
    def requestBook(self):
        self.book = input("Enter the name of the book: ")
        return self.book
    
    def returnBook(self):
        self.book = input("Enter the name of the book you want to return: ")
        return self.book

    def addBook(self):
        self.book = input("Enter the name of the book you want to add to the library: ")
        return self.book

if __name__ == "__main__":
    centralLibrary = Library(["Algorithms", "Sherlock Holmes", "Django", "HTML Notes", "Python Notes", "C++ Notes", "Java Notes"])
    student = student()
    msg = ''' 
### Welcome to the Central library of the university ###
Please Enter the option:
1. List the names of all available books
2. Request to borrow a book
3. Return a book
4. Add a book to the library
5. Exit the Library
    '''
    print(msg)
    while(True):
        wlcMsg = '''
        Please Enter the option : 
        '''
        print(wlcMsg)
        a = int(input("How can I help you? : "))
        if a == 1:
            centralLibrary.displayBooks()
        elif a == 2:
            centralLibrary.borrowBooks(student.requestBook())
        elif a == 3:
            centralLibrary.returnBook(student.returnBook())
        elif a == 4:
            centralLibrary.addBook(student.addBook())
        elif a == 5:
            print("Thanks for using the Central Library!!")
            exit()
        else:
            print("You entered an invalid choice.....")