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

If you’re new to Python, one of the first things you’ll encounter is variables and data types. Understanding how Python handles data is essential for writing clean, efficient, and bug-free programs.

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.

In Python, tuples are an important type of data structure. They are similar to lists but have a key distinction – they are immutable, which means that once created, their value cannot be changed. This ...