SO 6 Apply computer science theory and software development fundamentals to produce computing- based solutions.

Use SML-NJ to solve exercises 1 3. Use pattern-matching approach whenever possible

write a function insert of type int * int list int list that inserts the integer num in the right order to a sorted list L

write a function member of type a * a list bool so that member (e, L) returns true if and only if e is an element of the list L.