def UpdateBook(self, Field, FieldType):
        if FieldType == 'Name':
            Book.UpdateName(self, Name)

        elif FieldType == 'Author':
            Book.UpdateMobileNo(self, Author)
        Library.SaveFile()
        Library.LoadFile()
 def SaveFile():
     Book.SaveFile()
     LibCard.SaveFile()
     file = "LC22_HW1_LibraryClass.txt"
     f = open(file, "wb")
     pickle.dump(Library.BookAndLibCardsAssoc, f)
     f.close()
 def LoadFile():
     Book.LoadFile()
     LibCard.LoadFile()
     file = "LC22_HW1_LibraryClass.txt"
     f = open(file, "rb")
     Library.BookAndLibCardsAssoc = pickle.load(f)
     f.close()
 def AddBook(self, Name, Author):
     Book(Name, Author)
     Library.SaveFile()
     Library.LoadFile()