# 019: Optional Values # Handling values that might not exist # Function that might not return a value find_user(id): users = [ { id: 1, name: "Alex" }, { id: 2, name: "Jordan" } ] for user in users: if user.id == id: return user return null # Try to find existing user user = find_user(1) if user != null: show "Found: {user.name}" else: show "User not found" # Try to find non-existent user missing = find_user(99) if missing == null: show "User 99 doesn't exist"