Function makeListCircular updates the input$-$linked list into a circular$-$linked list.There is no end to circular linked lists, function printCircularLinkedList prints the "numNodes" number of nodes in the circular linked list.The sample output with "numNodes" $=20$ will be as follows:Linked list:$123456$ Circular linked list $20$ items$12345612345612345612$ Linked list:$1$ Circular linked list $20$ items$11111111111111111111$ Linked list:Circular linked list $20$ items