Question 2 : 5 points Given these two nodes n1 n2 Node ('a', Node( 'z', None)) Node ( 'b', Node( 'y None)) = 7 write code that swaps their next_node pointers. You may not create new nodes. Question 2 : 5 points Given these two nodes n1 n2 Node ('a', Node( 'z', None)) Node ( 'b', Node( 'y None)) = 7 write code that swaps their next_node pointers. You may not create new nodes