Update python on debian

python_update.md

$> apt-get update && sudo apt-get upgrade

$> apt-get install -y make build-essential libssl-dev zlib1g-dev

$> apt-get install -y libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm

$> apt-get install -y libncurses5-dev  libncursesw5-dev xz-utils tk-dev

$> wget https://www.python.org/ftp/python/3.7.7/Python-3.7.7.tgz

$> tar xvf Python-3.7.7.tgz

$> cd Python-3.7.7

$> ./configure --enable-optimizations

$> make -j8

$> make altinstall

$> update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.5 0

$> update-alternatives --install /usr/bin/python3 python3 /usr/local/bin/python3.7 1

$> update-alternatives --config python