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

Add Python code.

What did you learn from the changes you have made?

I learnt how to write Python code and detect problems in the dataset.

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

No.

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

I had challenges coding the second part because I did not include the "axis=1". I checked Copilot to find a solution.

How were these changes tested?

I ran the codes.

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

N/A

Checklist

• [ X] I can confirm that my changes are working as intended