adding provided code

hws/05_online_dating/provided_code/test.cpp

@@ -0,0 +1,16 @@
+#include <iostream>
+#include <sstream>	// include this so that we can use stringstream
+
+int main(){
+
+	std::string longString = "663-979-6253_953-451-3708_410-750-5502_750-260-3152_688-574-6330_915-954-4073";
+	// create a stringstream to tokenize the long string
+	std::istringstream iss(longString);
+	std::string token;
+
+	// tokenize the long string using the underscore delimiter
+	while (std::getline(iss, token, '_')) {
+		std::cout << token << std::endl;
+	}
+	return 0;
+}