What role does the if

name

main

$"$ : block play in the execution of the lab's script, and at what

point in the script's execution does it come into play?

The if

name

main

$"$ : block is responsible for defining custom functions within the script,

and it runs at the beginning of the script's execution.

The if

name

$=="$

main

$"$: block is used to specify the author's name and copyright informati

on for the script, and it runs at the end of the script.

The if

name

$==$

main

$"$ : block serves as the main entry point of the script, and it is where th

e script's execution begins when run as the main program.

The if

name

main

$"$ : block handles syntax errors and runs only if an error is encountered

during the script's execution.