os.path.join (folder, filename) ensures the path is correct for the system. On Windows, it uses backslashes (reports\summary.txt); on Linux and macOS it uses forward slashes (reports/summary.txt).

In []: %timeit (*(x**2 for x in range(1000)),) # (A) 47.2 μs ± 1.18 μs per loop (mean ± std. dev. of 7 runs, 10,000 loops each) In []: %timeit tuple(x**2 for x in range(1000)) # most idiomatic 45.4 μs ...

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.

An interval on the number line is denoted by a pair of values like so: (3, 8). Our intervals are closed. So this interval represents all numbers between 3 and 8 inclusive. The first number is always ...

In python tuple is an immutable objects means it can not be changed, only we can create. Alike list tuple are a sequence but the difference is tuple use parentheses "()" where as list uses square ...