Question $3$: Appending to a Text File

Objective: Create a Python script that appends additional content to the existing file$\_$handling.txt file.

Content to append:

Appendix:

Appending content is useful for adding information without overwriting

existing data.

Instructions:

$1.$ Open the file$\_$handling.txt file in append mode $(\text{'}$a$\text{'}).$

$2.$ Use the write$()$ function to append the provided content.

$3.$ Close the file after appending.