Create sudo account and automatically switch to it through a shell script. Must be run as root. Works on Ubuntu, Fedora and should work on other linux distros as well.

sudo_creator.sh

#!/usr/bin/env bash
#Add sudo user
echo "Enter account name to make sudo"
read account
adduser $account
echo "Done.."

#Adding username to sudo group
echo "Adding $account to sudo"
usermod -aG sudo $account
echo "Done.."

#Switching to sudo user
su - $account