Exercise 3: Player Sign Up 📝

📥 Input 📝 Strings 🔄 Type Casting

Your Task

Ask the user:

1. "Enter username:" (save in variable)
2. "Enter age:" (convert to int)

Then print:

• Length of username
• First letter of username
• A welcome message: "Welcome [username]! You are [age] years old."

---

Example Output

Enter username: DragonKing
Enter age: 13

10
D
Welcome DragonKing! You are 13 years old.

Input Lines (for browser)

DragonKing 13