which python mac
$ brew update && brew upgrade pythonwhich python mac
$ brew update && brew upgrade pythoninstall python 3 on mac
$ brew install python3install python3
echo This is for linux. (debian/unbuntu)
sudo apt install build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev wget
curl -O https://www.python.org/ftp/python/3.7.4/Python-3.7.4.tar.xz
tar -xf Python-3.7.4.tar.xz
cd Python-3.7.4
./configure --enable-optimizations
make
sudo make altinstall
python3.7 --version
cd ../python 3 download
# https://www.python.org/ftp/python/3.8.2/python-3.8.2.exeinstall python mac
$ /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"Copyright © 2021 Codeinu
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