Insert a Node at the Tail of a Linked List. Realization

.py

from linked_list import SinglyLinkedListNode


def insertNodeAtTail(head, data):
    if head is None:
        return SinglyLinkedListNode(data)
    else:
        current_node = head
        while current_node.next is not None:
            current_node = current_node.next
        current_node.next = SinglyLinkedListNode(data)
        return head