Main Function

// Main Function
int main()
{
	int choice;
	int user_num;
	string cont;
	do {
		int final_answer = 0;
		ConversionList();
		std::cin >> choice;
		std::cout << "Enter your number to be converted here: ";
		std::cin >> user_num;
		switch (choice) {
		case 1:
			final_answer = BinaryToDecimal(user_num);
			cout << "                " << final_answer;
			break;
		case 2:
			final_answer = OctalToDecimal(user_num);
			cout << "                " << final_answer;
			break;
		case 3:
			final_answer = BinaryToOctal(user_num);
			cout << "                " << final_answer;
			break;
		case 4: 
			DecimalToBinary(user_num);
			break;
		default:
			cout << "The choice entered was not valid. Enter a choice properly: ";
			continue; 
		}
		cout << "\nDo you wish to continue? yes or no?" << endl;
		cin >> cont;

	} while (cont == "yes");

	return 0;
}