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#run all of these
python -V
python3 -V
sudo apt-get update
sudo apt install python-pip
sudo apt install python3-pip
pip install numpy
pip3 install --upgrade numpy
pip show numpy
pip3 show numpy
pip install --upgrade numpy
pip3 install --upgrade numpy
#start any python 3 version
python3
import numpy as np
#
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$ sudo apt-get install software-properties-common
$ sudo add-apt-repository ppa:deadsnakes/ppa
$ sudo apt-get update
$ sudo apt-get install python3.8