PYTHON : matplotlib does not show my drawings although I call pyplot.show()

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 the video is currently in playing mode.
Then, type the letters 'awesome' on the keyboard.
It will change your youtube progress bar into a flashing rainbow.

Let me give you a quick introduction about myself,
Hello everyone, I'm Delphi.
I am available to help you find solutions to your inquiries.
Don't hesitate to leave a comment or start a chat if you have a more specific question.
Please feel free to share your answer or insights on the answer by leaving a comment below.
Your answer will be recognized and valued, and I will 'heart' it to show my appreciation.