Fill area of chart using matplotlib in python

y = [1,2,3,4,5,6]
x = [1,2,1,2,3,2]
x1 = [0,1,0,1,2,1]
x2 = [2,3,2,3,4,3]

[bladdra]

Thanks for your video, I was having an issue with fill_between method and I addressed it with axhspan method . 👍