A tuple is an ordered, fixed sequence written with parentheses. Its indexed elements can be read, but assigning record[0] = ... raises TypeError. room, time = record unpacks two values into two names. A one-item tuple needs a comma: (42,).
This is an editable worked demo. Edit main.py, press Run to compare the result, then Submit to check your small change. The next lesson transfers the idea to a different setting.
Change room to read the first part of this fixed reservation; Run should show Blue; then Submit.
room to the first element of reservation.