LIBRARY MANAGEMENT PART 1===IN PYTHON DAY 5 MINI PROJECT

 class Library():

    def __init__(self, booklist):
        self.booklendata = []
        self.bookname = booklist

    def display(self):
        for index, books in enumerate(self.bookname):
            print(f"{index+1} -> {books}")

    def booklend(self, Lender, BookName, BookIndex):
        LenderDetails = f'Name: {Lender}, BookName: {BookName}'
        self.booklendata.append(LenderDetails)
        del self.bookname[BookIndex-1]

    def bookreturn(self, Lender, Name):
        MatchData = f'Name: {Lender}, BookName: {Name}'
        if MatchData == self.booklendata[0] or MatchData == self.booklendata[1]:
            self.bookname.append(Name)
            if MatchData == self.booklendata[0]:
                del self.booklendata[0]
            elif MatchData == self.booklendata[1]:
                del self.booklendata[1]
            return "Book Returned Successfully"
        else:
            return "Failed to Return..."

    def BooksLent(self):
        for index, LenderDetails in enumerate(self.booklendata):
            print(f"{index+1} -> {LenderDetails}")

    def addbook(self, NewBook):
        self.bookname.append(NewBook)

    def deletebook(self, BookIndex):
        del self.bookname[BookIndex-1]

harshit = Library(["Fire in Earth","Red Sight of Moon","Soul of the Music", "Planet Chaos"])
def main():
        print("Welcome to Library, We Have These Books currently...")
        harshit.display()
        print("\nAutorized persons can check 'lentdata' and 'delete' books")
        print("Citizens Enter 'lend' to Lend 'donate' to donate or 'return' to return a book ('exit' to Return) ")
        Exit = False
        while Exit is not True:
            MainInput = input("\nProvide Input: ")

            if MainInput == "lend":
                LenderName = input("Enter Your Name: ")
                BookIndex = int(input("Enter Book Number 'Int' written besides the Name of Book: "))
                BookName = harshit.bookname[BookIndex-1]
                harshit.booklend(LenderName,BookName, BookIndex)
                harshit.display()

            if MainInput == "return":
                Lender = input("Enter Your Name: ")
                LentReturn = input("Enter Book Name: ")
                print(harshit.bookreturn(Lender,LentReturn))
                harshit.display()

            if MainInput == "lentdata":
                if input("Enter Secret Password : ")== "harshit":
                    print("Authorization Granted!!")
                else:
                    print("Spammers are Not Allowed to Enter...")
                    exit(0)
                harshit.BooksLent()

            if MainInput == "donate":
                NewBook = input("Enter Book Name : ")
                harshit.addbook(NewBook)
                harshit.display()

            if MainInput == "delete":
                if input("Enter Secret Password : ")== "harshit":
                    print("Authorization Granted!!")
                else:
                    print("Spammers are Not Allowed to Enter...")
                    exit(0)
                BookIndex = int(input("Enter Book Index: "))
                harshit.deletebook(BookIndex)
                harshit.display()

            if  MainInput == "exit":
                Exit = True

main()