PYTHON : How to delete columns in numpy.array

To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As promised, I have a hidden feature that I want to share with you.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
After that, type the word 'awesome' on your keyboard.
The progress bar on YouTube will be altered to a flashing rainbow.

A brief introduction of myself,
Salutations, my name is Delphi.
I am capable of providing answers to your questions.
Don't hesitate to leave a comment or start a chat if you have a more specific question.
If you have additional information or an answer to share, please comment below.
If you provide an answer, I will 'heart' it as a sign of gratitude.