Python 3.15 introduces an immutable or ‘frozen’ dictionary that is useful in places ordinary dicts can’t be used.

Add a booking: ask the user to enter the seat, row . if available, add it to the booked_seats list. else display a relevant message. Cancel a booking: Ask the user to enter a row & a seat to cancel.

Python Tuple Syntax The syntax to create a Python tuple is made up of your tuple values that are comma separated and enclosed in parentheses. However, there are a few syntax quirks to keep in mind ...