Intern-Practice-Set/set.py at master · Sanjay-VK07/Intern-Practice-Set · GitHub

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#Library Book Managment

total_books = {'san','ramar','berlin','chicago','tom riddle'}
available_books= total_books.copy()
issued_books = {'saa','maa','san','tom riddle'}

def add_books() :
  book = input("Enter books to add : ")
  available_books.add(book)
  print("The book is added",book)
  print("No of books : ",available_books)

def remove_books() :
  book = input("Enter books to remove : ")
  if book in available_books :
     available_books.discard(book)

     print("The book is removed",book)
     print("No of books : ",available_books)
  else :
     print("Invalid book")

def issue_books() :

    books = input("Enter book you want : " )


    if books in available_books  :

     issued_books.add(books)
     available_books.remove(books)
     print("Book issued successfully : ")

    else :

     print("Not available")


def returnn_books() :

   returnn=input("Enter book to return : ")


   if returnn in issued_books :

    available_books.add(returnn)
    issued_books.discard(returnn)
    print("Book returned successfully")

   else :

    print("Book not returned")


def view_books():

 print("Available_books : ", available_books)
 print("issued_books : ", issued_books)
 print("All_books : ",available_books|issued_books)


def compare_books() :

 book = input("Enter book to compare : ")

 if book in available_books & total_books :
   print(" Unique books : ",book)

 else :
   print("No Unique books ")
 if book in available_books| total_books:
   print("Union of Books : ",available_books |total_books)


def setrelation() :


 super = issued_books.issuperset( total_books)
 print("The superset is : ",super)

 subset = total_books.issubset( issued_books)

 print("The subset is : ",subset)

 dis = available_books.isdisjoint(issued_books)


 print("The intersection is : ",dis)


def clear_copy() :

 a = total_books.copy()
 b = issued_books.copy()
 z = issued_books.clear()

 print("The  copy of total books ",a)
 print("The  copy of issued books ",b)
 print("The issued book ",z)


while True:
    print("1. Add Book")
    print("2. Remove Book")
    print("3. Issue Book")
    print("4. Return Book")
    print("5. View Books")
    print("6. Compare Books")
    print("7. Set Relations")
    print("8. Clear and Copy Sets")
    print("9. Exit")

    choice = input("Enter your choice : ")

    if choice == '1':
        add_books()
    elif choice == '2':
        remove_books()
    elif choice == '3':
        issue_books()
    elif choice == '4':
        returnn_books()
    elif choice == '5':
        view_books()
    elif choice == '6':
        compare_books()
    elif choice == '7':
        setrelation()
    elif choice == '8':
        clear_copy()
    elif choice == '9':
        print("Exiting ....")
        break
    else:
        print("Invalid choice")