What changes are you trying to make? (e.g. Adding or removing code, refactoring existing code, adding reports)

Adding new functionality

What did you learn from the changes you have made?

I learned how to read lines, use loops, manipulates arrays

Was there another approach you were thinking about making? If so, what approach(es) were you thinking of?

implement check zero function using loop iterator

Were there any challenges? If so, what issue(s) did you face? How did you overcome it?

outdated fork of my repo

How were these changes tested?

using assert

A reference to a related issue in your repository (if applicable)

N/A

Checklist

• I can confirm that my changes are working as intended