[Matplotlib-users] Filling area with a color like in an integral

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hi,

I have a coordination system with some plotted dots connected with a
line. Now I'd like to fill up the whole space between the line and the
x-axis. It is the same as in a integral calculation:
http://www.definicionabc.com/wp-content/uploads/Integral.png
What I want to do is the same as the green color in the linked picture.

Is there a way to achieve that with matplotlib?

thank you