Added header files

Header Files/header.cpp

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+#include <iostream>
+#include "header.h" // this is the header file I have made
+
+using namespace std;
+using namespace Header; // made a namespace from the header file and now accessing it
+
+int main() {
+    MyHeader mh; // taking the class and defining an object
+    cout << mh.name << endl; // prints "this is my header name"
+    cout << mh.age << endl; // prints "19"
+}

Header Files/header.h

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+#pragma once // ensures that the header file is only included once and not all the time during compiling
+
+#ifndef HEADER // if not defined
+#define HEADER // define HEADER
+
+#include <iostream>
+
+namespace Header { // defines the header for the main file to "using namespace " stuff
+    class MyHeader { // define header
+        public: // public access identifier
+            std::string name = "this is my header name"; // makes a variable called name
+            int age = 19; // makes a variable assigned to int 19
+    };
+}
+
+#endif // end the ifndef at line 3