Having trouble with my c++ homework on how to create these functions. Having trouble on questions 1 through question 5.

Consider the List class in Linked List lecture Question 1 Write a void fromString(const string & word) function to create a List from a string Question 2. Write a string tostring() function to create a List from a string Question 3 Write a List operator+ (const List & rhs) const function to merge two list together and return a new list Question 4 Write the List ) function call deleteList(Node & ptr) which must be done recursively. If the headPtr is not the end, call yourself On headPtr->next and then delete the headPtr Question 5 Write the friend function friend ostream & operator