Create a C program that prompts the users to enter test scor
     Create a C++ program that prompts the users to enter test scores. The program continue until user enter -1 to stop the program. The program then displays: the number of the tests entered, the total of the test points, and the average of the test scores.  Create a C++ program that write 4 of your classmates\' name to a file named \"friends.txt\". First, Open an output file - \"friends.txt\", get the names of 4 friends, then write the names to the file. Close the file.  Create a C++ program that prompt the user to enter his/her first name. Then the program asks the user to enter his/her last name. The program then display the full name of this person. 
  
  Solution
#include <iostream>
 #include <fstream>
 #include <string>
 using namespace std;
int main()
 {
    ofstream mf;
    mf.open (\"friends.txt\");
   string s;
      
   cout<<\"Enter the name of you first friend:\";
    getline(cin,s);
    mf<<s<<endl;
   cout<<\"Enter the name of you second friend:\";
    getline(cin,s);
    mf<<s<<endl;
   cout<<\"Enter the name of you third friend:\";
    getline(cin,s);
    mf<<s<<endl;
   cout<<\"Enter the name of you fourth friend:\";
    getline(cin,s);
    mf<<s<<endl;
   mf.close();
 }

