Show Player Number

📖 Instructions#

Now we want to print the number the player chose. Unlike previous messages, this one needs to include the value of a variable — not just fixed text.

🧠 Recall

Variable

To combine text and a variable value in a single message, we use string interpolation:

int score = 10;
Console.WriteLine($"Your score is {score}.");

The $ before the string marks it as interpolated. Any variable name inside {} is replaced with its value when the program runs.

🎓 Learn More

String

✅ What to Do#

Print the message You chose: followed by the value of playerNumber using string interpolation.

🎯 Expected Outcome#

Welcome to Odds and Evens!
Choose 1 for Odds or 2 for Evens:
1
You chose Odds.
Choose a number between 1 and 2:
1
You chose: 1

Welcome to Odds and Evens!
Choose 1 for Odds or 2 for Evens:
1
You chose Odds.
Choose a number between 1 and 2:
2
You chose: 2

💡 Hints#

Hint 1

You need a single print statement. The message contains both fixed text and a variable value.

Hint 2

String interpolation lets you embed a variable directly inside a string. Look at the code example in the instructions.

Hint 3

The string starts with $. Put the variable name inside {} where you want its value to appear.

⚠️ Common Mistakes#

Forgetting the $ prefix

Without the $, the curly braces are treated as plain text. The output will print You chose: {playerNumber} literally instead of the actual number.

Putting quotes inside the curly braces

Writing {"playerNumber"} instead of {playerNumber} prints the variable name as text rather than its value. The variable name inside {} needs no quotes.

Using + to combine text and variable

Writing "You chose: " + playerNumber works but is not the preferred approach when string interpolation is available. It also requires an explicit type conversion in some cases. Use the $ syntax instead.

🙈 Solution#

Tried, you must, before reveal the solution you may.

Program.csChanges

  // Player enters a number between 1 and 2.
  Console.WriteLine("Choose a number between 1 and 2:");
  string rawNumber = Console.ReadLine();
  int playerNumber = int.Parse(rawNumber);
+ Console.WriteLine($"You chose: {playerNumber}");

Program.csFinal

Console.WriteLine("Welcome to Odds and Evens!");

// Player chooses to play with odds or evens.
Console.WriteLine("Choose 1 for Odds or 2 for Evens:");
string input = Console.ReadLine();
int playerChoice = int.Parse(input);

if (playerChoice == 1)
{
    Console.WriteLine("You chose Odds.");
}
else
{
    Console.WriteLine("You chose Evens.");
}

// Player enters a number between 1 and 2.
Console.WriteLine("Choose a number between 1 and 2:");
string rawNumber = Console.ReadLine();
int playerNumber = int.Parse(rawNumber);
Console.WriteLine($"You chose: {playerNumber}");

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