Matplotlib Learning Notes - Part 3 (Introduction and Demo Program)

Matplotlib Learning Notes - Part 3 (Introduction and Demo Program)

I found the official installation guide and demo program not up to date for Rpi4B OS 2010dec.  After some trials and errors, for 20 minutes, I finally ran my first program OK, as show below.

My first impression is that matplotlib should be easier to use, and more powerful than Excel.

References

(1) Installing matplotlib in Thonny

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