text: //write include statements
  #include "dna.h"
  #include<iostream>
  #include<string>
  #include <iomanip>
  //write using statements
  using std::cin;
  using std::cout;
  using std::string;
  
  /*
  Write code that prompts user to enter 1 for Get GC Content, 
  or 2 for Get DNA Complement.  The program will prompt user for a 
  DNA string and call either get gc content or get dna complement
  function and display the result. Program runs as long as 
  user enters a y or Y.
  */
  int main() 
  {
  	return 0;
  }