Each of the following member functions has errors in the way it performs a linked list operation. Find as many mistakes as you can.
void NumberList::appendNode(double num){ ListNode *newNode, *nodePtr; // Allocate a new node&store num newNode = new listNode; newNode->value = num; // If there are no nodes in the list // make newNode the first node. if (!head) head = newNode;else // Otherwise, insert newNode.{ // Find the last node in the list. while (nodePtr->next) nodePtr = nodePtr->next; // Insert newNode as the last node. nodePtr->next = newNode;}}
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