PYTHON : How do you create a legend for a contour plot in matplotlib?

PYTHON : How do you create a legend for a contour plot in matplotlib?
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.
Then, type the letters 'awesome' on your keyboard as the next step.
The progress bar on YouTube will be altered to a flashing rainbow.

An introduction to myself in a few words,
Greetings, my name is Delphi.
I can be of service in providing you with answers to your inquiries.
PYTHON : How do you create a legend for a contour plot in matplotlib?
Let me know if you have more specific questions or concerns by leaving a comment or starting a chat.
We appreciate your participation, so please feel free to comment below with your answer or insights.
A 'heart' from me will be given as a sign of appreciation for your answer.
a How PYTHON matplotlib? a do you create for : contour plot in legend