$/*$ Exercises:

$1.$ Complete the program below.

Sample Run:

Hello from main!

Hello from the writeMessage function!

Write a custom message: Hello!

Hello!

Back in main!

$*/$

$//$ This program prints a message by calling a function.

#include $//$ Required for cin and cout

#include $//$ Required for string

using namespace std; $//$ Required for not having to use std::

$//$ Write a message to the console from a function

void writeMessage$()$;

void writeCustomMessage$($string message$)$;

$//$ The main function

int main$()\{$

cout $<<$ "Hello from main!" $<<$ endl;

$//$ TODO: Call the writeMessage function

string customMessage;

cout $<<$ "Write a custom message: $"$;

cin $>>$ customMessage;

$//$ TODO: Call the writeCustomMessage function with the customMessage as a parameter

cout $<<$ "Back in main!" $<<$ endl;

return $0$;

$\}$

$//$ The function to write a message

void writeMessage$()\{$

cout $<<$ "Hello from the writeMessage function!" $<<$ endl;

$\}$

$//$ The function to write a custom message

void writeCustomMessage$($string message$)\{$

cout $<<$ message $<<$ endl;

$\}$