Task $2[10$ points$]$

Function load$\_$lines $()$ reads and returns a list of booking lines from a file. If the file is not found, it

returns an error message as shown below.

Signature: load$\_$lines$($file$\_$name$)$

file$\_$name is the name of the file from where to read the bookings

The return value is a list of booking lines, which are just strings representing lines of text from

the file. If the file is not found, it returns the error message "The file