show and storage real temperature data Arduino in Python3

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I'm using 2 thermocouples type T connected to Arduino with Mux, Arduino is connected to Raspberry using the usb connection, with Python I'm trying to read the temperature visualize in real time and store in a storage, but I don't know what I can use, someone know how to write the code or has some example to show ?

Just another thing, I I installed on Python3 matplotlib numpy but i'm not able to install "DRAWNOW"
for this I'm trying to get some other way.

Thank you so much for the answers.