# Define a simple "User" record using a tuple
# Note: Access is by index, which can be less readable than named fields.
# For more readable fields, collections.namedtuple or dataclasses would be preferred,
# but this demonstrates basic tuple usage for fixed-structure data.

def create_user(user_id, username, email):
    """Creates an immutable user record as a tuple."""
    return (user_id, username, email)

def display_user_info(user_record):
    """Displays information from a user tuple."""
    # Unpack the tuple for easier access
    user_id, username, email = user_record
    print(f"User ID: {user_id}")
    print(f"Username: {username}")
    print(f"Email: {email}")

# Example Usage:
user1 = create_user(101, "alice_smith", "alice@example.com")
user2 = create_user(102, "bob_johnson", "bob@example.com")

print("User 1 Information:")
display_user_info(user1)

print("
User 2 Information (accessing directly by index):")
print(f"User ID: {user2[0]}")
print(f"Username: {user2[1]}")

# Attempting to modify a tuple will result in an error
try:
    user1[0] = 103
except TypeError as e:
    print(f"
Error trying to modify tuple: {e}")