86a5b0345fdbdf9931f00a26d80c61f6cf23c957,data_structures/LinkedList/singly_LinkedList.py,Linked_List,insert_tail,#Any#Any#,7

Before Change

    pass
    def insert_tail(Head,data)://insert the data at tail
        tamp=Head//create a tamp as a head
        if(tamp==None)://if linkedlist is empty
            newNod=Node()//create newNode Node type and given data and next
            newNod.data=data
            newNod.next=None
            Head=newNod
        else:
            while tamp.next!=None://find  the last Node
                tamp=tamp.next
            newNod = Node()//create a new node
            newNod.data = data
            newNod.next = None
            tamp.next=newNod//put the newnode into last node
        return Head//return first node  of  linked list  
    def insert_head(Head,data):
        tamp = Head
        if (tamp == None):

After Change

    pass
    
    def insert_tail(Head,data):
        if(Head.next is None):
            Head.next = Node(data)
        else:
            insert_tail(Head.next, data)

    def insert_head(Head,data):
        tamp = Head
        if (tamp == None):
            newNod = Node()//create a new Node

Instances