print("2 - issue book")
print("3 - return books")
print("4 - search by name")
print("5 - search by author name")
print("6 - add book")
print("7 - remove book")
choice = input()
if choice not in ["1", "2", "3", "4", "5", "6", "7"]:
print("enter correct choice \n")
continue
else:
choice = int(choice)
if choice == 1:
print("books available {} ".format(Book.name))
Book.display_books()
print("\n")
elif choice == 2:
book = input("name of book you want to issue")
student = input("enter your name")
m1.issue_book(book, student)
print("\n")
elif choice == 3:
book = input("name of book you want to return")
student = input("enter your name")
m1.return_book(book, student)
elif choice == 4:
book_name = input("enter the name of the book")
