Update all installed packages installed via pip and pip3 in Debian

update_pip_packages.sh

#!/bin/bash
# Simplified forms using awk
pip install --upgrade $(pip list | awk '{printf(" %s ",$1)}')
pip3 install --upgrade $(pip3 list | awk '{printf(" %s ",$1)}')
# Alternative forms using sed
#pip install --upgrade $(pip list | awk -F" " '{print $1}' | sed ':a;N;s/\n/ /g;ba') # Alternative form
#pip3 install --upgrade $(pip3 list | awk -F" " '{print $1}' | sed ':a;N;s/\n/ /g;ba') # Alternative form