Question $2$

A programmer is writing a script to help a store manager find the product numbers associated with each product sold in their store. Which of the following methods should they use?

$1$ point

Use the index method to find the numbers in each document.

Use regex to find the patterns that match the product number.

This isn$$t possible, they will need to read through the documents line$-$by$-$line to find the correct numbers.

Use a for loop with the index method to find the numbers in each document.