#circular linked list #python #linked list #Circular linked list using linked list in python #Circular linked list using linked list in python

Circular linked list using linked list in python

# circular linked list using linked list in python
import sys

# Linked list node
class Node:
    def __init__(self,data):
        self.data = data
        self.next = None

def push(head, data):
    if not head:
        return Node(data)

    newNode = Node(data)
    newNode.next = head

    head = newNode
    return head

# Function used to convert singly linked list into circular linked list.
def circular(head):

    
    start = head

    while(head.next is not None):
        head = head.next

    
    head.next = start
    return start

#  display function used to display list of  elements
def displayList(node):
    start = node
    while(node.next is not start):
        print("{} ".format(node.data),end="")
        node=node.next

    print("{} ".format(node.data),end="")

# Driver Code
if __name__=='__main__':
    
    # Start with empty list
    head=None

    head=push(head,15)
    head=push(head,14)
    head=push(head,13)
    head=push(head,22)
    head=push(head,17)

    circular(head)
    print("Display List:")
    displayList(head)