# Python Program to Remove Duplicates from a Linked List class Node:    def __init__(self, data):        self.data = data        self.next = None  class LinkedList:    def __init__(self):        self.head = None        self.last_node = None     def append(self, data):        if self.last_node is None:            self.head = Node(data)            self.last_node = self.head        else:            self.last_node.next = Node(data)            self.last_node = self.last_node.next     def get_prev_node(self, ref_node):        current = self.head        while (current and current.next != ref_node):            current = current.next        return current     def remove(self, node):        prev_node = self.get_prev_node(node)        if prev_node is None:            self.head = self.head.next        else:            prev_node.next = node.next     def display(self):        current = self.head        while current:            print(current.data, end = ' ')            current = current.next  def remove_duplicates(llist):    current1 = llist.head    while current1:        data = current1.data        current2 = current1.next        while current2:            if current2.data == data:                llist.remove(current2)            current2 = current2.next        current1 = current1.next  a_llist = LinkedList() data_list = input('Please enter the elements in the linked list: ').split()for data in data_list:    a_llist.append(int(data)) remove_duplicates(a_llist) print('The list with duplicates removed: ')a_llist.display()