#Khoi tao string bat ki. string = 'abcdcba' """ Thuat toan su dung if: Buoc 1: Check xem do dai string la so le hay khong. Buoc 2: Neu la so le thi check xem nua phia truoc co nguoc lai nua phia sau khong. """ if((len(string) % 2) == 1): if(string[len(string) // 2 -1::-1] == string[len(string) // 2 + 1 :] ): print(string + " la palindrome") else: print(string + " khong la palindrome") else: print(string + " khong la palindrome")