3. Consider follow linked list

class ListNode:

def _init_(self, data):

self.data-data self.next= None

def traversal (head) :

curNode-head while curNode is not None:

print (curNode.data, enda

[

a=ListNode (11)

b=ListNode (52) c=ListNode (16)

a.next =b

b.next =c

head =a

1 #Line 10

[

print (a.next.next.data)

traversal (head)

Fill in blanks Line 20-22 to add a node '43' to the in

following figure

3. Consider follow linked list class ListNode: def _init__(self, data): self.data-data self.next= None def traversal (head): curNode=head while curNode is not None: print (curNode.data, end="") [ ] #Line 10 a=ListNode (11) b=ListNode (52) c=ListNode (16) a.next =b b.next =c head =a [ [ ] ] ] print (a.next.next.data) traversal (head) Fill in blanks Line 20-22 to add a node '43' to the in front of node 'll' as following figure