Write the function body for insert(), erase(), and size.

ListType.h #indef LISTTYPE H #de fine LISTTYPE_H P: #include include nclude class ListType( public: bool empty() const bool full() const; void erase (const std::string&) bool find (const std: :string&)t bool insert (const std::string&) size t size() const; friend std: :ostream& operator